Westbrass Plastic Air Gap 2 Pack Polished Chrome
4.6Editor score
Two pack value bundle
Standard plastic body design
Polished chrome finish
In this guide
A dishwasher air gap is a crucial plumbing component that prevents dirty wastewater from flowing back into your clean dishes. It ensures your kitchen stays hygienic by creating a physical break in the drainage line that stops contamination effectively.
We have carefully reviewed and compared ten leading air gap models available today based on durability, design, and compliance with plumbing codes. Our selection includes options for every budget and kitchen style to help you find the perfect fit for your home.
Each product listing below highlights key features, installation requirements, and user ratings to guide your decision. Please note that prices and availability can change quickly so always verify the latest details before making your purchase decision today.
Top 3 Picks for Best Air Gap for Dishwasher
KRAUS Dishwasher Air Gap in Spot Free All-Brite Stainless Steel
4.8Editor score
Solid brass cover for durability
Corrosion resistant finish
Universal design fit
KRAUS Dishwasher Air Gap in Matte Black
4.8Editor score
Matte black finish
Solid brass cover
Code compliance ensured
Top 10 Best Air Gap for Dishwasher in 2026 Compared
The following table provides a side-by-side look at all ten selected air gap models highlighting their key specifications and unique features to help you make an informed choice quickly.
ProductsSpecificationsEditor scorePrice
Editor's Choice
KRAUS Spot Free All-Brite Stainless Steel
Solid brass cover
ABS plastic body
9 inch overall height
Universal fit design
4.8Editor score
Editor's Choice
Dishwasher Air Gap Cover Silicone Splash Guard
Food grade silicone
Splash guard function
4 degree slope
Grey or black color
4.3Editor score
Best Premium
Dishwasher Air Gap Cover Brushed Nickel
Brushed nickel finish
Curved top design
Brass cap construction
Skirted cap style
4.7Editor score
Westbrass Plastic Air Gap 2 Pack
Polished chrome finish
Plastic body included
Standard cap design
Two pack value
4.6Editor score
Dishwasher Air Gap Kits Polished Chrome
Seven color options
Solid brass cap
Universal air cap kit
Escutcheon included
4.6Editor score
Dishwasher Air Gap Cover Brushed Nickel
Brass core body
Stain resistant surface
Curved top design
Standard dimension fit
4.8Editor score
Dishwasher Air Gap Cover Black Only
Matte black finish
Solid brass construction
Skirted air gap
Eight color options
4.7Editor score
Prime-Line Dishwasher Air Gap Cover
Stamped steel body
Chrome plated finish
Push on installation
Single pack option
4.5Editor score
KRAUS Dishwasher Air Gap Matte Black
Matte black finish
Solid brass cover
Code compliance standard
Universal design fit
4.8Editor score
Dishwasher Air Gap Cover Matte Black
High-end finish
Brass construction
Curved top design
Easy installation setup
4.7Editor score
1. KRAUS Dishwasher Air Gap – Best Overall for Durability
KRAUS Dishwasher Air Gap in Spot Free All-Brite Stainless Steel
Solid brass cover
ABS plastic body
Corrosion resistant
Universal compatibility
The KRAUS Air Gap stands out as a top choice for homeowners seeking a balance of style and function. With a 4.8 rating it delivers reliable backflow prevention while enhancing your kitchen aesthetic.
Pros
- High-end appearance
- Durable construction
- Meets code requirements
- Excellent warranty support
- Fits most sinks
Cons
- Slightly higher price
- Requires specific hole size
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Its solid brass cover ensures longevity and resistance to rust which is critical for a plumbing component exposed to moisture. The ABS plastic body complements the metal top to provide structural integrity without unnecessary weight.
While it requires a pre-drilled hole of 1 1/2 inches which might be a minor hurdle for some installations the clean flush look is worth the effort. The corrosion resistant finish keeps it looking new for years.
This model is ideal for those who want a premium feel without compromising on utility. It is a solid investment for any kitchen where plumbing codes and visual appeal matter equally.
Superior Material Quality
The combination of brass and ABS plastic offers a robust solution that resists wear and tear better than all-plastic alternatives found in cheaper models.
Clean Flush Design
The cap covers the entire body and installs flush to the deck for a streamlined appearance that does not obstruct your view of the sink area.
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2. Dishwasher Air Gap Cover Silicone Splash Guard – Best Splash Control
Dishwasher Air Gap Cover Silicone Splash Guard
Food grade silicone
4 degree slope
Splash guard feature
Easy to clean
This silicone splash guard is designed to address water leakage around existing air gaps. It acts as a ramp to direct drips into the sink rather than letting them pool on the countertop.
Pros
- Reduces water mess
- Flexible fit
- Affordable price point
- Two colors included
- Simple to install
Cons
- Does not replace gap body
- Silicone may stain over time
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Made from food grade silicone it is safe and odorless which is important for kitchen accessories. The 4 degree slope helps water drain efficiently so your counter stays dry after every dishwasher cycle.
It is not a replacement for the air gap itself but a useful accessory to fix messy leaks. For those dealing with constant dampness behind the sink this is a practical and low cost solution.
Ideal for renters or homeowners who want to improve functionality without major plumbing changes. It is a smart addition to any kitchen that needs extra protection from minor drips.
Drip Management
The unique ramp design captures water that would otherwise splash onto the counter keeping your workspace cleaner and reducing the need for frequent wiping.
Universal Compatibility
Its flexible dimensions allow it to fit snugly around most air gap cover diameters making it a versatile option for various kitchen setups.
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3. Dishwasher Air Gap Cover Brushed Nickel – Best Style Upgrade
Dishwasher Air Gap Cover Brushed Nickel
Brushed nickel finish
Curved top design
Universal fit
Includes escutcheon
This brush nickel cap is perfect for upgrading the look of an older air gap without replacing the whole unit. It features a curved top that reduces vapor buildup to maintain a clear surface.
Pros
- Elegant look
- Prevents water vapor
- Durable brass cap
- Flush installation
- Easy setup
Cons
- Replacement cap only
- Check measurements first
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Constructed with a solid brass cap and durable ABS body it offers excellent corrosion resistance. The design ensures it fits most standard kitchen sinks and dishwashers for a reliable seal.
The skirted cap covers the entire body for a neat appearance that blends well with modern faucets. Installation is straightforward and does not require special tools for most homeowners.
Choose this if you want to refresh your kitchen hardware while ensuring hygiene. It is a practical solution for those who value aesthetics alongside essential plumbing functions.
Vapor Prevention
The curved top design specifically targets water vapor accumulation helping to prevent paint peeling and maintain a flawless look over time.
Comprehensive Coverage
Matching escutcheon and cap work together to hide the tubing for a polished look that complements any home decor style.
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4. Westbrass Plastic Air Gap 2 Pack – Best Value Bundle
Westbrass Plastic Air Gap 2 Pack Polished Chrome
2 Pack value
Polished chrome
Standard plastic body
9 inch height
This 2 pack from Westbrass offers an excellent option for those who need multiple units or a spare for future use. The polished chrome finish provides a classic look at a very affordable price.
Pros
- Cost effective bundle
- Polished finish
- Standard dimensions
- Reliable brand
- Good for backups
Cons
- Plastic body may degrade
- Basic design
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Each unit features a standard plastic body with precise dimensions for compatibility. The 9 inch overall height fits standard installations and the cap diameter is designed for easy access.
While the plastic body is less premium than brass it serves its purpose well for basic backflow prevention. It is a smart buy for budget conscious shoppers who do not want to compromise on code compliance.
Ideal for landlords or those renovating multiple kitchens. The pack ensures you have a replacement ready so maintenance is never a hassle when the need arises.
Economic Choice
Buying two at once reduces the cost per unit and ensures you have a spare on hand for unexpected plumbing issues.
Classic Aesthetic
The polished chrome cap is standard for most sinks and provides a clean reflective surface that matches typical kitchen fixtures.
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5. Dishwasher Air Gap Kits Polished Chrome – Best Multi-Color Option
Dishwasher Air Gap Kits Polished Chrome
Seven color options
Solid brass cap
Universal fit
Escutcheon included
This kit provides a polished chrome cap with options to match many different kitchen faucets and sinks. The solid brass construction ensures it will last for years of daily use without rusting.
Pros
- Wide color range
- Durable brass
- Clean install
- Universal kit
- Long service life
Cons
- Check color availability
- Installation may vary
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It is designed to fit most dishwashers which makes it a versatile choice for replacements. The escutcheon covers the body for a tidy look that hides all the plumbing connections effectively.
While installation is generally easy checking compatibility with your existing hole size is wise. The classic design complements any home style from modern to traditional comfortably.
This is a great pick if you want to customize your kitchen hardware to match your decor. It balances price and quality for a reliable replacement kit.
Color Variety
Having seven color options gives you the flexibility to match your sink or faucet perfectly for a cohesive kitchen look.
Durable Build
The combination of a plastic body and brass cap offers a good balance of cost and longevity for everyday use.
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6. Dishwasher Air Gap Cover Brushed Nickel – Best for Easy Clean
Dishwasher Air Gap Cover Brushed Nickel
Solid brass core
Stain resistant
Skirted cap
Universal size
This model emphasizes ease of maintenance with a stain resistant surface that wipes clean easily. The brushed nickel finish offers a sophisticated look that fits well in modern kitchens.
Pros
- Stain resistant finish
- Simple slip on
- Matches kitchen style
- Removable design
- Effective backflow
Cons
- Replacement cap only
- Verify dimensions
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It is designed to be removed quickly for clearing blockages or cleaning which is a big plus for long term usability. The skirted design covers the entire tubing to hide the plumbing lines.
The curved top prevents water accumulation which helps keep the area dry and free from peeling paint. It is a practical choice for busy households that need low maintenance solutions.
If you want a durable cover that looks good and is easy to keep clean this is a strong contender. It ensures your kitchen stays hygienic with minimal effort.
Low Maintenance
The smooth surface and removable design mean you can clean and inspect the unit without tools making routine checks simple.
Visual Integration
The brushed nickel finish blends seamlessly with other kitchen fixtures providing a clean and coordinated appearance for your sink area.
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7. Dishwasher Air Gap Cover Black Only – Best for Matte Style
Dishwasher Air Gap Cover Black Only
Matte black finish
Solid brass cap
Eight color choices
Universal standard size
This black air gap cover is ideal for kitchens with dark faucets or modern minimalist styles. The matte black finish provides a sleek look that stands out as a design feature.
Pros
- Modern matte look
- Durable brass
- Clean installation
- Many color options
- Affordable upgrade
Cons
- Fingerprint prone
- Check existing fit
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Made from solid brass it is built to last and resists corrosion effectively. It comes with an escutcheon that covers the body for a neat look on your countertop.
While it is a replacement part only it transforms the look of an older unit significantly. Ensure you measure your existing gap before purchasing to guarantee a proper fit.
Choose this if you want to match a black faucet or add a bold touch to your sink. It is a stylish upgrade that combines function with contemporary design.
Modern Appeal
The matte black finish offers a contemporary look that pairs well with modern kitchen appliances and dark fixtures for a unified design.
Solid Construction
Built from brass it offers the durability needed for long term use without worrying about rust or wear from water exposure.
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8. Prime-Line Dishwasher Air Gap Cover – Best Basic Fix
Prime-Line Dishwasher Air Gap Cover
Stamped steel body
Chrome plated
Push on install
Fits most gaps
This cover is a simple and effective solution for replacing a lost or damaged cap. It features a stamped steel body with a chrome plating that provides a standard look.
Pros
- Very affordable
- Simple installation
- Chrome finish
- Single pack option
- Basic reliability
Cons
- Less durable than brass
- Limited design options
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Installation is as easy as pushing it on the air gap body making it ideal for quick fixes. It is designed to fit most standard air gaps found in typical home dishwashers.
While it may not offer the premium feel of brass it serves its purpose well for basic coverage. It is a practical choice when you just need to restore function quickly.
Consider this for budget replacements or temporary solutions until you can upgrade to a more decorative model. It gets the job done without unnecessary complexity.
Quick Fix
The push on installation means you can replace a missing cap in seconds without tools or professional help.
Standard Compatibility
It is designed to fit most air gaps so chances are it will work with your existing setup without modification.
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9. KRAUS Dishwasher Air Gap Matte Black – Best for Black Fixtures
KRAUS Dishwasher Air Gap in Matte Black
Matte black finish
Solid brass cover
Code compliant
Full kit included
This KRAUS model is the perfect choice for kitchens featuring black faucets and modern designs. It is a full kit that includes everything needed for a compliant and stylish installation.
Pros
- Premium matte finish
- Durable brass
- All parts included
- Meets plumbing codes
- Flush fit design
Cons
- Higher price
- Requires specific hole
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The solid brass cover ensures durability while the matte black finish resists corrosion and fading. It is designed to meet code requirements so you are covered on safety standards.
While the price is higher than basic plastic options the quality and appearance justify the cost. The flush fit design keeps your sink area looking tidy and uncluttered.
Ideal for homeowners who want a cohesive look across all kitchen hardware. It is a top tier choice for those who value both style and long term performance.
Complete Kit
Unlike replacement caps this kit provides the full assembly ensuring you have everything needed for a proper and code compliant setup.
Finish Durability
The premium finish is designed to not dull or fade over time keeping your kitchen looking fresh and new for years.
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10. Dishwasher Air Gap Cover Matte Black – Best Replacement Kit
Dishwasher Air Gap Cover Matte Black
High-end finish
Brass construction
Curved top
Universal fit
This matte black kit offers a stylish replacement for older air gaps that may look worn. It includes a brass cap and escutcheon to cover the body and improve appearance.
Pros
- Matte black style
- Solid brass build
- Curved top design
- Easy install
- Comprehensive coverage
Cons
- Replacement kit only
- Check measurements
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The curved top design helps prevent water vapor buildup which maintains the finish quality over time. It is compatible with most sinks and dishwashers for a universal application.
While it is a replacement kit the installation is straightforward and requires no special tools. It is a great option for those looking to modernize their kitchen sink area.
Choose this if you want to match a black faucet or update your kitchen decor. It provides a solid and aesthetically pleasing solution for overflow prevention.
Aesthetic Update
The matte black finish and curved top provide a modern look that can instantly refresh the style of your kitchen sink.
Simple Installation
Designed for hassle free setup this kit allows you to upgrade your hardware quickly with minimal effort and no special tools.
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Buying Guide – How to Choose the Best Air Gap for Dishwasher
Selecting the right air gap involves considering material quality, finish, and compatibility with your sink. Here are key factors to evaluate before you make your purchase.
Material Quality
Materials like solid brass offer better corrosion resistance and durability compared to all-plastic models. Brass ensures the component lasts longer even when exposed to constant moisture and heat.
Look for products that combine a metal cover with a plastic body to balance cost and longevity effectively.
Finish and Color
The finish should match your existing sink and faucet to maintain a cohesive kitchen look. Options include polished chrome, brushed nickel, and matte black to suit different styles.
Choose a finish that is corrosion resistant to ensure it does not rust or fade over time.
Dimensions and Fit
Always check the hole size requirement and cap diameter before buying. A mismatch can make installation difficult or require costly countertop modifications.
Ensure the overall height fits under your sink or matches the deck height properly.
Code Compliance
Many local plumbing codes mandate the use of an air gap for dishwasher installations. Ensure the product you choose meets these legal standards to avoid issues.
Full kits often guarantee compliance while replacement caps might need verification with local regulations.
Ease of Installation
Simple push on designs or those requiring minimal tools save time and effort during setup. Look for products that come with clear instructions and all necessary hardware.
Avoid complex installations if you are not confident in your plumbing skills.
Maintenance Requirements
Some designs are easier to clean and remove for unclogging than others. A smooth surface and removable cap simplify routine maintenance tasks significantly.
Consider how often you might need to inspect or clean the unit when choosing a model.
Price and Value
Budget options may save money upfront but could lack durability. Premium models cost more but often last longer and look better in the long run.
Weigh the initial cost against the expected lifespan to determine the best value.
Warranty and Support
A solid warranty indicates the manufacturer trusts their product quality. Look for brands that offer support to help with any installation or performance issues.
Check customer reviews to gauge how responsive the company is to potential problems.
How to Use and Care for Your Air Gap
Install the air gap according to the manufacturer's instructions ensuring all connections are tight. This prevents leaks and ensures the drainage system works correctly from the start.
Periodically remove the cap to check for debris or blockages inside the tubes. Clearing any buildup helps maintain optimal flow and prevents backups into the sink.
Clean the exterior with mild soap and water to remove stains and keep the finish looking new. Avoid harsh chemicals that could damage the coating or plastic parts.
Frequently Asked Questions
Is an air gap required for dishwashers?
Yes, in many regions plumbing codes require an air gap to prevent dirty water from backflowing into your dishwasher. It acts as a safety measure to keep your kitchen hygienic. Check your local regulations to confirm requirements.
How do I know which size to buy?
Measure the diameter of the hole in your countertop and the existing air gap body. Most standard caps fit a 1.5 inch hole but always check the product specs. Taking these measurements prevents buying an incompatible part.
Can I install an air gap myself?
Many homeowners can install it themselves if they have basic tools and follow instructions carefully. It usually involves drilling a hole and connecting tubes to the dishwasher and sink. If unsure consult a plumber to avoid errors.
What if my air gap leaks?
Leaking often indicates a clog or loose connection. Remove the cap to clean the tubes and ensure all fittings are tight. Regular maintenance can prevent leaks and keep the system functioning smoothly.
Do all air gaps look the same?
No, they come in various finishes and designs to match different kitchen styles. You can find chrome, nickel, black, and more to coordinate with your faucets. Choose one that fits your aesthetic preference.
How long does an air gap last?
A high quality brass air gap can last for many years with proper care. Plastic parts may degrade sooner depending on exposure to chemicals and heat. Replacing worn components maintains safety and efficiency.
Final Thoughts on Choosing the Best Air Gap for Dishwasher
We have highlighted ten top models ranging from budget friendly options to premium brass kits to suit your needs. The KRAUS and Westbrass choices stand out for reliability and value respectively.
Prioritize durability and code compliance to ensure your kitchen stays safe and clean. A well chosen air gap protects your appliance and prevents messy backflow issues over time.
Always check current prices and availability before buying as deals can change quickly. We hope this guide helps you make the best choice for your home today.