Water Trough Float Valve for Stock Tank
4.0Editor score
Universal fit for most stock tanks
Durable PE and ABS construction
Easy assembly with included tape
In this guide
Keeping cattle hydrated is essential for herd health and productivity. Automatic waterers ensure a constant supply of fresh water without constant manual monitoring. Choosing the right system depends on tank size, material durability, and installation needs.
We evaluated ten top-rated models based on construction quality, flow rates, and ease of use. Our analysis covers stainless steel troughs, cast iron dispensers, and universal float valves. Each product was selected for its ability to withstand farm conditions.
Every pick highlights key features like frost resistance, capacity, and mounting options. Prices fluctuate due to market demand and seasonal availability. Always check the latest listings before purchasing to ensure you get the best value for your operation.
Top 3 Picks for Best Automatic Waterer for Cattle
Automatic Livestock Water Trough Animal Stainless Steel Larger Automatic Waterer with Float Valve Kit
3.5Editor score
Huge 54L capacity for large herds
Stainless steel resists rust and weather
Anti-tip design with fixed feet
Bokon 4 Set Stainless Steel Automatic Livestock Waterer
4.2Editor score
Four complete sets with pipes and floats
Robust 304 stainless steel build
Flexible outfall and non-outfall options
Top 10 Best Automatic Waterer for Cattle in 2026 Compared
The following table provides a side-by-side comparison of all ten featured products. It highlights key specifications such as material type, capacity, and mounting styles to help you quickly identify the best fit for your farm.
ProductsSpecificationsEditor scorePrice
Best Budget
Little Giant Trough-O-Matic
Aluminum housing with expansion brackets
Flows up to 245 gallons per hour
Operates between 20 and 50 psi
Accepts standard 3/4 inch garden hose
4.5Editor score
Editor's Choice
Automatic Animal Drinking Water Bowl
304 Stainless Steel waterer bowl
Includes 2 float valves and quick connector
Suitable for cattle dogs and horses
Adjustable water level via floating ball
4.2Editor score
Best Premium
Automatic Water Bowl Livestock
High quality rust proof plastic material
Polished smooth edges prevent animal scratches
Automatic float ball replenishes water
Dimensions 11 inches by 10 inches
4.4Editor score
Automatic Livestock Waterer 304 Stainless
Heavy duty stainless steel construction
Adjustable float arm for no leaks
Wall floor or fence mount options
0.66 gallon large capacity bowl
4.4Editor score
Automatic Stock Waterer Heavy Duty Cast Iron
Constructed with high quality cast iron
Brass float valve for durability
Extra large 3 liter capacity
Includes drainage hole for easy cleaning
4.2Editor score
Water Trough Float Valve for Stock Tank
Universal float tank valve for livestock
Standard 3/4 NPT hose connection
Made of durable PE and ABS
Easy assembly with included PTFE tape
4.0Editor score
Automatic Livestock Water Trough Animal Stainless
Huge 54L capacity for large herds
Stainless steel resists rust and weather
Anti-tip design with fixed feet
Rolled edge design prevents animal scratches
3.5Editor score
Bokon 4 Set Stainless Steel Automatic
Four complete sets with pipes and floats
Robust 304 stainless steel build
Flexible outfall and non-outfall options
Includes expansion screws for mounting
4.2Editor score
Little Giant Automatic Livestock Waterer
Epoxy coated stock waterer for cattle
Compatible with standard hose and pipe
Can be installed at any height
Sanitary design reduces disease organisms
4.4Editor score
Auto Shut Off Water Nozzle Kit
Auto shut-off when tank is full
Nozzle holder included for tank edge
Fits most garden hoses with adapter
Requires 15 PSI minimum pressure
3.4Editor score
1. Automatic Livestock Water Trough – Best Overall Automatic Waterer for Cattle
Automatic Livestock Water Trough
54 liter capacity for large herds
Stainless steel construction resists corrosion
Anti-tip design with fixed feet
Top-mounted float valve for easy access
This large capacity stainless steel trough stands out as the Editor's Choice for its durability and volume. With a massive 54-liter holding capacity, it is designed to support large herds without constant refills. The automatic float valve ensures water levels remain consistent, promoting better hydration for your livestock.
Pros
- Huge capacity reduces refill frequency
- Stainless steel lasts longer than galvanized
- Anti-tip feet prevent spillage in busy pens
- Rolled edges ensure animal safety
Cons
- Requires careful installation for stability
- May need extra support for full tank
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The construction quality is exceptional, utilizing authentic stainless steel that resists rust even in harsh outdoor conditions. Unlike standard galvanized models, this trough adapts well to humid or rainy weather without degrading. The anti-tip design with fixed feet ensures the trough remains stable even when cattle push against it.
While the size is a major advantage, installation requires care to ensure the trough is level and securely placed. The weight of the full trough can be significant, so a solid base is recommended to prevent shifting. However, the benefits of reduced maintenance and long-term durability make this trade-off acceptable for most farms.
Farmers with large herds or busy schedules will find this trough invaluable. It provides a reliable, hygienic drinking source that minimizes waste and contamination. If you need a robust solution for cattle or horses, this trough offers the best balance of capacity and quality available today.
Superior Stainless Steel Durability
The authentic stainless steel material ensures long-lasting performance in various weather conditions, protecting your investment from rust and wear.
Safety Focused Design
Rolled edges around the trough prevent scratches to animals while drinking, ensuring a safe and comfortable hydration experience.
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2. Water Trough Float Valve – Best Budget Automatic Waterer for Cattle
Water Trough Float Valve
Universal fit for most stock tanks
Standard 3/4 NPT hose connection
PE thick plastic orange float ball
ABS thickened housing with bracket
This universal float valve represents the best budget option for those needing a simple, effective water level control system. It fits standard stock tanks and offers a reliable automatic fill mechanism without the cost of a full trough. The design is straightforward, making it easy to install and maintain for average users.
Pros
- Affordable price point for basic needs
- Universal compatibility with various tanks
- Easy assembly with included tape
- Durable materials withstand external shocks
Cons
- Plastic float may wear over time
- Not suitable for extreme cold
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The valve is constructed with high-quality PE plastic and ABS housing, providing sufficient durability for regular farm use. It connects easily to standard 3/4 NPT garden hoses and includes a sturdy bracket for mounting. The included PTFE tape ensures a watertight seal to prevent leaks around the connection point.
One trade-off is that the plastic float might not last as long as metal components in very harsh environments. Additionally, extreme cold temperatures can affect the float's movement, so indoor or insulated use is preferred in winter. However, for warm climates or summer use, this valve performs consistently well.
Small to medium farms looking for an economical solution will appreciate this valve. It eliminates the need to manually check water levels daily. If you already have stock tanks and just need auto-fill capability, this product provides the necessary functionality at a very competitive price.
Universal Tank Compatibility
Designed to fit most water tanks and troughs, this valve offers a versatile solution for various livestock watering setups.
Cost-Effective Automation
Provides essential automatic water control at a fraction of the cost of full trough systems, ideal for budget-conscious buyers.
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3. Bokon 4 Set Stainless – Best Premium Automatic Waterer for Cattle
Bokon 4 Set Stainless
Four complete sets with pipes and floats
Robust 304 stainless steel build
Flexible outfall and non-outfall options
Includes expansion screws for mounting
This premium four-pack set offers exceptional value for larger operations needing multiple hydration points. Each set includes a robust 304 stainless steel bowl with necessary pipes and floats, allowing you to equip an entire barn or pasture at once. The quality of materials ensures longevity and resistance to farm wear.
Pros
- Complete kit with four full sets
- Premium 304 stainless steel construction
- Versatile setup options for farms
- Includes all necessary pipes and fittings
Cons
- Higher upfront investment required
- Installation time needed for multiple units
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The design includes both outfall and non-outfall options, giving you flexibility in how you manage water drainage. The float system reduces waste by filling only as needed, conserving water while keeping animals hydrated. All components are sturdy, with expansion screws provided for secure wall or fence mounting.
While the initial cost is higher than single units, buying four sets at once often results in better overall pricing. The installation process is straightforward but requires time to set up all units correctly. Proper mounting ensures the bowls remain stable even with active livestock using them.
Larger farms or ranches with multiple animals will benefit most from this comprehensive kit. It allows for strategic placement across pastures to reduce congregation at a single water source. If you need reliable, high-quality waterers in quantity, this set delivers premium performance for your cattle.
Complete Multi-Unit Kit
Four complete sets allow for widespread installation, ensuring all animals have access to clean water without crowding.
Premium Material Quality
304 stainless steel ensures the bowls resist rust and corrosion, maintaining hygiene and durability over years of use.
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4. Little Giant Trough-O-Matic – Durable Automatic Waterer for Cattle
Little Giant Trough-O-Matic
Aluminum housing with expansion brackets
Flows up to 245 gallons per hour
Operates between 20 and 50 psi
Accepts standard 3/4 inch garden hose
The Little Giant Trough-O-Matic is a trusted valve for controlling water levels in existing tanks. Its aluminum housing and expansion brackets allow it to adapt to various tank sizes, making it a versatile choice for farms. The high flow rate ensures tanks refill quickly after heavy use.
Pros
- Made in USA with high standards
- Aluminum housing resists rust
- High flow rate for quick filling
- Expands to fit most tank sizes
Cons
- Valve only, not a full trough
- May require plumbing adjustments
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Built to strict manufacturing standards, this valve operates reliably between 20 and 50 psi. The expansion brackets provide a secure fit on plastic or metal tanks, preventing leaks or dislodging during use. It connects easily to standard garden hoses, simplifying the setup process.
It is important to note that this product is a valve only and does not include a tank. You must have a compatible stock tank or trough to use it effectively. Additionally, ensuring the correct pressure is available in your water supply is key to avoiding performance issues.
Farms looking to upgrade existing tanks will find this valve an excellent choice. It brings automatic control to manual systems with minimal hassle. If you value durability and quick refill speeds, this Little Giant valve is a reliable component for your watering infrastructure.
High Flow Efficiency
Delivers up to 245 gallons per hour, ensuring tanks refill rapidly even after large herds drink.
Adaptive Fit Design
Expansion brackets allow the valve to secure onto tanks of different sizes, providing a leak-free connection.
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5. Automatic Animal Drinking Water Bowl – Reliable Stainless Waterer
Automatic Animal Drinking Water Bowl
304 Stainless Steel waterer bowl
Includes 2 float valves and quick connector
Suitable for cattle dogs and horses
Adjustable water level via floating ball
This automatic drinking bowl features a 304 stainless steel construction that maintains water hygiene. It includes two float valves, offering redundancy if one fails, and a quick connector for easy plumbing. The design is suitable for a wide range of animals including cattle and horses.
Pros
- Stainless steel keeps water hygienic
- Adjustable water level reduces waste
- Includes 2 valves for backup
- Easy quick connect plumbing setup
Cons
- Valves may need regular checking
- Pipe length may need extension
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The floating ball system allows you to adjust the water level to your preference. This adjustability helps reduce water waste by preventing overflow. The quick connector and expansion bolts included in the package make installation straightforward for standard setups.
One minor issue is that the pipes may need extension for certain mounting positions. Also, while the valves are reliable, they should be checked periodically to ensure they operate smoothly. These issues are minor and easily resolved during installation.
For small to medium livestock owners, this bowl provides a reliable and hygienic water source. It is particularly useful in courtyards or garden areas where water access is needed. If you need a versatile waterer that can serve multiple animal types, this stainless steel model is a strong choice.
Hygienic Stainless Construction
304 stainless steel prevents corrosion and keeps water clean, supporting animal health and reducing maintenance.
Adjustable Water Control
Adjustable floating ball lets you set the ideal water level, saving water and keeping the bowl from overflowing.
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6. Automatic Water Bowl Livestock – Plastic Automatic Waterer
Automatic Water Bowl Livestock
High quality rust proof plastic material
Polished smooth edges prevent animal scratches
Automatic float ball replenishes water
Dimensions 11 inches by 10 inches
This plastic automatic bowl is a cost-effective solution for smaller herds. It features a float ball that replenishes water automatically, ensuring availability. The polished smooth edges are designed to prevent scratches, making it safe for animals of all sizes to use.
Pros
- Lightweight plastic is easy to move
- Smooth edges prevent injury
- Affordable and easy to install
- Float ball provides consistent refill
Cons
- Plastic may crack in extreme cold
- Less durable than metal options
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The plastic material is rust-proof and lightweight, which makes it easy to relocate as needed. It is suitable for various environments including yards and farms. The dimensions are compact, fitting well in smaller spaces where larger troughs would not fit.
However, plastic may become brittle in extreme cold and could crack under stress. It is less durable than stainless steel or cast iron in harsh conditions. For temperate climates or indoor use, it performs well without issue.
For pet owners or those with small livestock, this bowl offers an affordable entry point. It provides essential automation without the weight or cost of metal units. If you need a simple, safe water source for a few animals, this plastic model is a practical option.
Animal Safe Design
Polished smooth edges ensure that drinking livestock are not scratched, providing a safer drinking experience.
Lightweight Portability
Made of lightweight plastic, this bowl can be moved easily to new locations for seasonal grazing changes.
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7. Automatic Livestock Waterer 304 Stainless – Compact Wall Mount
Automatic Livestock Waterer 304 Stainless
Heavy duty stainless steel construction
Adjustable float arm for no leaks
Wall floor or fence mount options
0.66 gallon large capacity bowl
This compact stainless steel waterer is ideal for spaces where wall or fence mounting is preferred. The heavy-duty construction ensures it withstands daily use. With an adjustable float arm, you can fine-tune the water level to prevent overflow or dry spots.
Pros
- Compact size saves space
- Stainless steel ensures longevity
- Multiple mounting options available
- Easy to clean and sanitize
Cons
- Smaller capacity than troughs
- Mounting screws not included
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The bowl holds 0.66 gallons, which is sufficient for dogs or smaller cattle. It fits securely on the wall or floor, and the smooth rolled edges prevent injuries. It is easy to wipe clean, maintaining hygiene levels without effort.
Note that mounting screws are not included, so you will need to provide your own hardware. Also, the capacity is smaller than large troughs, requiring more frequent refills if many animals share it. Still, the design is efficient for targeted hydration.
For farms needing individual water stations for dogs or small herds, this bowl is excellent. It provides a clean, sanitary source without taking up much ground space. If you want a durable stainless unit for specific animals, this model is a smart buy.
Space Saving Mounting
Flexible mounting options allow you to use wall or fence space, freeing up ground area for other activities.
Leak-Free Operation
Adjustable float arm ensures the water level stays steady, preventing overflow and reducing water waste.
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8. Automatic Stock Waterer Heavy Duty Cast Iron – Robust Waterer
Automatic Stock Waterer Heavy Duty Cast Iron
Constructed with high quality cast iron
Brass float valve for durability
Extra large 3 liter capacity
Includes drainage hole for easy cleaning
This cast iron waterer provides unmatched durability for farm environments. The brass float valve adds reliability, ensuring consistent water levels without leakage. It holds 3 liters, sufficient for smaller groups of livestock, and includes a drainage hole to simplify maintenance.
Pros
- Heavy duty cast iron lasts long
- Brass valve resists corrosion
- Drainage hole simplifies cleaning
- Versatile for multiple animal types
Cons
- Heavier than other options
- Installation requires sturdy mounting
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The heavy weight of the cast iron ensures it stays in place even when animals push against it. It is suitable for horses, cattle, and dogs alike. The powder-coated finish adds aesthetics and extra protection against rust in wet conditions.
While the weight offers stability, it can make moving the waterer more difficult. You will need to plan placement carefully since relocating it later may be hard. However, for permanent installation, this weight is a benefit for stability.
If you need a long-lasting, sturdy waterer for a fixed location, this is an ideal choice. It supports various animals and ensures clean water through its drainage feature. For those valuing durability over portability, this heavy-duty model is a strong contender.
Superior Durability
Cast iron construction ensures this waterer resists damage from livestock activity and harsh environmental conditions.
Easy Maintenance
Included drainage hole lets you clean the dispenser easily, preventing buildup and keeping water fresh.
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9. Little Giant Automatic Livestock Waterer – Epoxy Coated Option
Little Giant Automatic Livestock Waterer
Epoxy coated stock waterer for cattle
Compatible with standard hose and pipe
Can be installed at any height
Sanitary design reduces disease organisms
This Little Giant waterer features an epoxy-coated galvanized steel body that resists corrosion. It is designed to deliver continuous fresh water, reducing the risk of disease-carrying organisms. The installation height can be adjusted to fit different animal sizes easily.
Pros
- Epoxy coating prevents rust
- Flexible installation height options
- Sanitary design limits disease spread
- Connects to standard hose sizes
Cons
- Coating may chip if impacted
- Requires regular cleaning for hygiene
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Compatibility with standard hoses and pipes makes it easy to integrate into existing systems. The automatic dispensing ensures fresh water is available whenever your livestock needs it. The black epoxy finish also helps it blend into farm environments visually.
One thing to consider is that heavy impacts might chip the coating, potentially exposing the metal underneath. To maintain hygiene, regular cleaning is necessary to prevent biofilm buildup. However, for routine farm use, these are manageable maintenance tasks.
Farmers who want a trusted brand with flexible installation options will appreciate this model. It works well for horses and cattle alike. If you prioritize hygiene and ease of setup, this epoxy-coated waterer is a practical choice for your herd.
Flexible Installation Height
Can be installed at any height, allowing you to customize the setup for different animal sizes.
Disease Prevention Design
Continuous fresh water supply helps reduce breeding of disease-carrying organisms in the trough.
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10. Auto Shut Off Water Nozzle Kit – Automatic Shut Off System
Auto Shut Off Water Nozzle Kit
Auto shut-off when tank is full
Nozzle holder included for tank edge
Fits most garden hoses with adapter
Requires 15 PSI minimum pressure
This nozzle kit provides auto shut-off functionality for stock tanks to prevent overflow. It includes a nozzle holder that mounts to the tank edge, keeping the nozzle within reach. The setup is simple, fitting most garden hoses with an included adapter.
Pros
- Prevents overflow automatically
- Nozzle holder keeps system clean
- Easy hose connection with adapter
- Saves water by limiting flow
Cons
- Requires minimum pressure to work
- Not for gravity fed systems
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The auto shut-off feature stops water flow when the tank is full, saving water and preventing waste. It works best with pressurized water systems. The nozzle allows for fresh water fill on demand rather than constantly filling the tank.
Note that this system requires a minimum of 15 PSI to function and is not compatible with gravity feed systems. For farms relying on gravity, this option will not work. Also, initial safety cleaning is required before first use.
For those with pressurized hoses and needing simple overflow protection, this nozzle kit is effective. It simplifies the watering process while conserving resources. If you want to avoid overfilling and have a pressurized system, this tool is a practical addition.
Overflow Prevention
Auto shut-off mechanism stops water when the tank is full, preventing waste and avoiding yard flooding.
Cleaner Setup
Nozzle holder keeps the nozzle clean and within reach, reducing debris and simplifying maintenance.
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Buying Guide – How to Choose the Best Automatic Waterer for Cattle
Choosing the right automatic waterer involves assessing material, capacity, and installation requirements. This guide covers key factors to consider for making a lasting investment.
Material Durability
Materials like stainless steel and cast iron offer long-term resistance to rust and corrosion. Plastic is lighter but may wear faster in harsh environments. Consider your climate and the longevity you expect from your equipment.
Choose corrosion-resistant materials for outdoor use to avoid frequent replacements.
Capacity Needs
Capacity depends on herd size and water consumption rates. Larger troughs reduce refilling frequency but require more space. Smaller bowls work well for individual animals or limited areas.
Select a capacity that matches your herd to prevent water shortages.
Valve Type
Float valves control water levels automatically to prevent overflow. Brass and plastic valves have different lifespans and reliability. Ensure the valve is compatible with your water supply pressure.
Opt for reliable valve types to maintain consistent water levels without leaks.
Installation Options
Some waterers mount on walls or fences while others sit on the ground. Check if hardware is included and if mounting is stable. Proper installation prevents tipping and ensures safety.
Choose mounting that fits your setup securely.
Temperature Resistance
In cold climates, frost-resistant features are essential to keep water accessible. Heated troughs or freeze-resistant faucets can prevent ice buildup. Without these, water may freeze and hinder livestock access.
Prioritize freeze-resistant designs if winter use is required.
Maintenance Requirements
Regular cleaning prevents contamination and keeps water fresh. Designs with drainage holes simplify cleaning processes. Low-maintenance models save time and labor for farmers.
Look for easy-clean designs to maintain hygiene standards.
Water Pressure Compatibility
Ensure the waterer supports your water supply pressure. Some require minimum PSI levels, while others work with gravity. Mismatched pressure can lead to poor performance or failure.
Verify pressure requirements before purchasing to ensure compatibility.
How to Use and Care for Your Automatic Waterer for Cattle
Install the waterer on a stable surface to prevent tipping during use. Ensure the float valve is properly positioned to control water levels accurately.
Clean the bowl regularly using a non-toxic cleaner and rinse thoroughly. This prevents algae and bacteria buildup that can harm livestock health.
Inspect the float valve and hoses for leaks every week. Replace worn parts promptly to avoid water waste and ensure continuous flow.
Frequently Asked Questions
What is the best material for cattle waterers?
Stainless steel is widely considered the best material due to its resistance to rust and ease of cleaning. Cast iron is also durable but heavier. Plastic is affordable but may not last as long in harsh weather.
How often should I clean my automatic waterer?
It is recommended to clean your waterer at least once a week to prevent algae growth. Regular cleaning ensures the water remains fresh and safe for your livestock to drink daily.
Do automatic waterers work with gravity systems?
Most automatic float valves require pressurized water systems to function correctly. Some specific models are designed for gravity feed but check compatibility before purchasing to ensure it works for your setup.
Can I use these waterers in freezing temperatures?
Standard waterers may freeze in cold weather. Look for freeze-resistant models or heated options designed for winter use. Proper insulation can also help keep water liquid in low temperatures.
How do I adjust the water level in the trough?
Most float valves have an adjustable ball or arm that controls the fill height. Rotate or move the float to set the desired water level and prevent overflow.
Are these waterers suitable for other livestock?
Yes, many models are versatile enough for horses, sheep, and pigs. Check the capacity and flow rate to ensure it meets the needs of your specific animal types.
What is the typical flow rate for cattle waterers?
Flow rates vary by model but can range from 50 to 245 gallons per hour. Higher flow rates are beneficial for large herds that consume water quickly during hot days.
How can I prevent animals from tipping the waterer?
Choose waterers with anti-tip feet or a heavy base. Proper installation on a level surface also helps stability. Some models offer wall mounting options for extra security.
Final Thoughts on Choosing the Best Automatic Waterer for Cattle
Selecting the right automatic waterer ensures your cattle stay hydrated with minimal effort. The options above range from budget-friendly valves to premium stainless steel troughs suitable for diverse farm needs.
Prioritize materials and features that match your climate and herd size. A durable, well-maintained system will save time and resources while supporting animal health.
Prices for these products vary based on material quality and capacity. Always check current listings for availability and any seasonal promotions before finalizing your purchase.