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Air gap faucet is designed to create a physical siphon break from the reverse osmosis RO system itself and the sink drain.
Lead-free protection – drinking RO water faucets are safe and offer long-lasting water reliability. Safer drinking water faucet – each reverse osmosis kitchen sink drinking water faucet helps to clean and clarify your water before it hits the glass for pure, delicious taste.

If you are looking for an RO faucet in oil rubbed bronze, we recommend this finish. Easy installation: our 3-line water filtration faucets come with the air gap and 1/4” water filter tube already attached for easier installation.
Premium finish: this spiropure ro faucet comes in an attractive matte black finish. Versatile design: our premium stainless steel faucet spout swivels 360 degrees to allow for more convenience and versatility in the kitchen.

With the quick connect couplings that come with the package, installing this airgap RO faucet to your system is a breeze. Premium quality: this vase style ceramic disc lever reverse osmosis airgap faucet is crafted with solid brass exterior for durability and lasting finish.
Free install tool: we know how difficult it is to get under your sink and install faucets so we made things super easy for you- the included FREE RO faucet wrench eases installation time by more than half and ensures tight mount. If you are looking to replace an existing airgap RO faucet with 1/4” and 3/8” drain lines, this one will guarantee to replace and fit.

The easy, quick-change push release filter system allows for easy filter change with no need to shut off the water source, is installed with check valves in the filter lid between cartridges to prevent back-flow and shut off valves in each filter head that shuts off the water flow when cartridges are removed.
Four stage filtration: sediment pre-filter wp105351 reduces dirt, atrazine, chromium, arsenic, copper, benzene, silt; carbon pre-filterWP105351 reduces chlorine taste and odors; the 50 GPD membrane WP105331 reduces TDS, and lead; the carbon post-filterWP105381 reduces chemicals like MTBE's, and lindane. Maximum operating pressure is 80 psi and to maintain top performance replace sediment and carbon pre-filters every 6 months, post carbon filter every 12 months, and the membrane every 2 to 5 years.

All components are an integral part of the unit, requiring fewer tube connections. Tubing specifications: 1/4 inch blue tube approximately 4 feet in length for connecting drinking water, 1/4 inch Red tube approximately 4 feet in length for connecting to the air gap of the faucet, and 3/8 inch Black tube approximately 3 feet in length for the connection to the drain.
See attached installation manual in the Technical Details section. If you experience a leak, look for our quick fix guide on this product’s images. Cartridges have double o-rings so they won't leak. Ro faucet specifications: this top mount twist, Air-Gap Faucet has a Brushed Nickel Finish, monitored design, with a variable flow lever for dispensing water. The timer on the monitor is set for approximately 6 months of use for each filter change. Us plumbing Code 5-202.




S. The flow rate of this faucet is compliant with California water efficiency regulations and you can rest assured to use it. The faucet body is made from premium grade no-lead stainless steel with less than 025% lead content, and more sturdy and durable than zinc alloy faucets so it can last many years without leaking.
The 4. 2” long threaded stem fits countertops that are up to 2. 9” thick. Ceramic disc cartridge. The 2. 1” base is suitable for kitchen sink faucet holes that are 04” to 1. 9” in diameter. Easy installation: everything you need for installation is included: the faucet body, deck-mounting hardware, 1/4" & 3/8" quick connectors, and Teflon tape.
1. Watts Premier
#ad
Watts Premier WP116001 Air-Gap Non-Monitored Faucet for Water Filtration Systems, Chrome
#adWatts Premier #ad - Uses 1/4-inch supply tube and requires access to a drain connection. This is a standard auxiliary faucet and it compatible with reverse osmosis under sink water filtration systems.More information #ad
It is an air-gap, non-monitored faucet and will not alert you when it is time to change the filter. Features touch n' Flow spring loaded handle for one touch water dispensing. Meets all us plumbing codes and NSF low lead requirements.Brand | Watts Premier #ad |
Manufacturer | Watts #ad |
Height | 16 Inches |
Length | 8.5 Inches |
Width | 1.7 Inches |
Part Number | 116001 |
Model | WP116001 |
Warranty | 1 year |
More information #ad
2. Water Filter Tec
#ad
Air Gap 3 Line Water Filtration Reverse Osmosis Faucet Brushed Nickel Lead-Free
#adWater Filter Tec #ad - A little noisy: there's a physical air barrier of water dropping into the trough, Air Gap faucets can make a gurgling sound while the storage tank is being filled. Quick and easy installation – please confirm that your system is compatible before purchasing, check the installation clear, The parts package include a ¼” and 3/8” quick connect to make it easier to install it with far less effort or stress.Air gap faucet is designed to create a physical siphon break from the reverse osmosis RO system itself and the sink drain.
More information #ad
This design came about so that in the event of a sink drain being clogged and backed up, the air gap installed in the RO discharge line would pull a small amount of air rather than the dirty water back into the RO unit. Lead-free protection – drinking RO water faucets are safe and offer long-lasting water reliability. Safer drinking water faucet – each reverse osmosis kitchen sink drinking water faucet helps to clean and clarify your water before it hits the glass for pure, delicious taste.
Brand | Water Filter Tec #ad |
Manufacturer | Water United Development Ltd. #ad |
Height | 5.2 Inches |
Length | 13.9 Inches |
Weight | 1.17 Pounds |
Width | 1 Inches |
Part Number | NF-8501 |
Model | 5089501 |
More information #ad
3. SpiroPure
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Matte Black / Oil Rubbed Bronze, SP-FC100-BK, 3 Line Filtered Faucet, Reverse Osmosis Replacement Water Filter Faucet, SpiroPure NSF-Certified Lead-Free Air Gap RO Faucet
#adSpiroPure #ad - Please note that this faucet is completely black and does not have a golden trim. Optional air gap: the air gap is optional, making the filtered water faucet a great choice for either a reverse osmosis system or a non-RO undersink water filter.If you are looking for an RO faucet in oil rubbed bronze, we recommend this finish. Easy installation: our 3-line water filtration faucets come with the air gap and 1/4” water filter tube already attached for easier installation.
More information #ad
The durable single-handle lever quickly and easily twists 90 degrees to supply you with clear drinking water. Nsf certified & lead free: spiropure reverse osmosis Water Faucets provide NSF 61 certified, lead-free, and heavy duty materials to provide your family with clean and healthy drinking water. Premium finish: this spiropure ro faucet comes in an attractive matte black finish. Versatile design: our premium stainless steel faucet spout swivels 360 degrees to allow for more convenience and versatility in the kitchen.
Brand | SpiroPure #ad |
Manufacturer | SpiroPure #ad |
Height | 11.75 Inches |
Length | 5.25 Inches |
Width | 1.69 Inches |
Model | SP-FC100-BK |
More information #ad
4. Metpure
#ad
Metpure RO Faucet Reverse Osmosis Drinking Water Air Gap Filtration System Water Dispenser Spout Brushed Nickel with Pre-Inserted Tubing and Faucet Wrench RO-FW148
#adMetpure #ad - Compatible fit: ro systems requiring a 1/4” brine input and 3/8” brine output airgap hook up lines are compatible with this faucet. Convenient usage: the tall gooseneck of this RO faucet swivels 360 degrees for all dispensing angles and the built-in ceramic disc valve will provide a smooth operation on every dispense.With the quick connect couplings that come with the package, installing this airgap RO faucet to your system is a breeze. Premium quality: this vase style ceramic disc lever reverse osmosis airgap faucet is crafted with solid brass exterior for durability and lasting finish.
More information #ad
The product passes lead-free material requirement and its solid weight and smoothness can be appreciated throughout. Easy install: the airgap ro faucet comes with pre-installed tubings and quick connect couplings that will allow you to effortlessly hook it up to your existing water filtration system. Free install tool: we know how difficult it is to get under your sink and install faucets so we made things super easy for you- the included FREE RO faucet wrench eases installation time by more than half and ensures tight mount. If you are looking to replace an existing airgap RO faucet with 1/4” and 3/8” drain lines, this one will guarantee to replace and fit.
Brand | Metpure #ad |
Manufacturer | Metpure #ad |
Height | 10.75 Inches |
Length | 5 Inches |
Width | 1.75 Inches |
Model | FA-05-BN-AG-FW148 |
Warranty | 1 year manufacturer warranty on the valve |
More information #ad
5. Watts Premier
#ad
Watts Premier WP531411 RO Pure Reverse Osmosis Filtration System with Top-Mount, Chrome, Standard, Air-Gap Faucet
#adWatts Premier #ad - The system includes a ro pure reverse osmosis module with four pre-installed filters; a parts bag; a chrome, top-mount, high-quality, monitored, air-gap faucet, and 3 gallon storage tank giving you crystal clear, and great-tasting drinking water. This space-saving, requires fewer tube connections, compact design allows this system to fit comfortably under your sink, includes back-flow prevention valves installed between the elements and cartridges have double O-rings so they won't leak.The easy, quick-change push release filter system allows for easy filter change with no need to shut off the water source, is installed with check valves in the filter lid between cartridges to prevent back-flow and shut off valves in each filter head that shuts off the water flow when cartridges are removed.
More information #ad
Four stage filtration: sediment pre-filter wp105351 reduces dirt, atrazine, chromium, arsenic, copper, benzene, silt; carbon pre-filterWP105351 reduces chlorine taste and odors; the 50 GPD membrane WP105331 reduces TDS, and lead; the carbon post-filterWP105381 reduces chemicals like MTBE's, and lindane. Maximum operating pressure is 80 psi and to maintain top performance replace sediment and carbon pre-filters every 6 months, post carbon filter every 12 months, and the membrane every 2 to 5 years.
Brand | Watts Premier #ad |
Manufacturer | Watts #ad |
Height | 15 Inches |
Length | 14 Inches |
Weight | 16 Pounds |
Width | 15 Inches |
Part Number | 531411 |
Model | WP531411 |
Warranty | 1 year |
More information #ad
6. Premier
#ad
Watts Premier WP116187 Top Mount Twist Air-Gap Monitored Faucet, Brushed Nickel
#adPremier #ad - Back-flow prevention valves are installed between the elements. An air gap between the water supply inlet and the flood level rim of the plumbing fixture, or nonfood equipment shall be at least twice the diameter of the water supply inlet and may not be less than 1 inch.All components are an integral part of the unit, requiring fewer tube connections. Tubing specifications: 1/4 inch blue tube approximately 4 feet in length for connecting drinking water, 1/4 inch Red tube approximately 4 feet in length for connecting to the air gap of the faucet, and 3/8 inch Black tube approximately 3 feet in length for the connection to the drain.
More information #ad
The faucet conforms to all us plumbing Codes. Easy to install leak-free system: watts premier's reverse osmosis home water treatment systems are easy to install. Plumbing code: this faucet requires access to a drain connection. See attached installation manual in the Technical Details section. If you experience a leak, look for our quick fix guide on this product’s images. Cartridges have double o-rings so they won't leak. Ro faucet specifications: this top mount twist, Air-Gap Faucet has a Brushed Nickel Finish, monitored design, with a variable flow lever for dispensing water. The timer on the monitor is set for approximately 6 months of use for each filter change. Us plumbing Code 5-202.
Brand | Premier #ad |
Manufacturer | Watts #ad |
Height | 6 Inches |
Length | 11.75 Inches |
Width | 4.5 Inches |
Part Number | WP116187 |
Model | WP116187 |
More information #ad
7. Hydronix
#ad
Brushed Nickel w/ Air Gap, Hydronix LF-BLRAG-BN Long Reach RO Reverse Osmosis or Filtered Water Faucet
#adHydronix #ad - Nsf/ansi standard 61 section 9 certified. Air gap. High durability, elegant brushed Nickle finish. Made in Taiwan. Hydronix lf Series Lead free faucets.More information #ad
Brand | Hydronix #ad |
Manufacturer | Hydronix #ad |
Height | 2 Inches |
Length | 12 Inches |
Width | 4 Inches |
Part Number | LF-BLRAG-BN |
Model | LF-BLRAG-BN |
More information #ad
8. Kingston Brass
#ad
Brushed Nickel, Kingston Brass KSAG8198DL Concord Water Filtration Faucet
#adKingston Brass #ad - Drip-free ceramic disc cartridge. 11-1/2" spout height. 1/4" tubing for Reverse Osmosis System. Solid brass and zinc alloy construction.More information #ad
5-3/4" spout reach. 7-3/16" spout clearance. Corrosion-resistant finish. 2. 11 gpm/7. 9 lpm spout flow rate at 60 PSI. Single lever handle meets ADA guidelines. Deck mount single-hole installation.Brand | Kingston Brass #ad |
Manufacturer | Kingston Brass #ad |
Height | 11.5 Inches |
Length | 2.75 Inches |
Weight | 1.23 Pounds |
Width | 5.75 Inches |
Part Number | KSAG8198DL |
Model | KSAG8198DL |
More information #ad
9. KleenWater
#ad
Reverse Osmosis RO System Faucet, Euro Style Luxury Faucet, KleenWater Oil Rubbed Bronze Air Gap Kitchen Drinking Water Faucet
#adKleenWater #ad - Oil rubbed bronze elegant Euro Style Design and Easy Installation. The maximum hole diameter covered by the escutcheon plate is 1 5/8".More information #ad
The minimum mounting hole required is 1 1/4" diameter. Includes 3/8" drain Clamp and Drain Tubing. Free and Fast Shipping. Lead free - conforms with Federal Reduction of Lead Act 2014.Brand | KleenWater #ad |
Manufacturer | KleenWater #ad |
Part Number | KW-DWF-ORB-AG-DC38-1/4+3/8Tube |
Model | KW-DWF-ORB-AG-DC38-1/4+3/8Tube |
More information #ad
10. KES
#ad
Z504CLF-BK, KES Black Reverse Osmosis Faucet RO Faucet Water Filter Faucet Non-Air-Gap Drinking Water Beverage Faucet Water Filtration System 304 Stainless Steel Matte Black
#adKES #ad - You can install the faucet right away after receiving the package. And canada high-quality standard uniform plumbing code, and is safe for drinking water. Cupc nsf certified: kes reverse osmosis faucet meets u.S. The flow rate of this faucet is compliant with California water efficiency regulations and you can rest assured to use it. The faucet body is made from premium grade no-lead stainless steel with less than 025% lead content, and more sturdy and durable than zinc alloy faucets so it can last many years without leaking.
More information #ad
It is more resistant to high heat and pressure, complied with NSF/AB1953 lead-free regulation, certified by IAPMO. The 4. 2” long threaded stem fits countertops that are up to 2. 9” thick. Ceramic disc cartridge. The 2. 1” base is suitable for kitchen sink faucet holes that are 04” to 1. 9” in diameter. Easy installation: everything you need for installation is included: the faucet body, deck-mounting hardware, 1/4" & 3/8" quick connectors, and Teflon tape.
Brand | KES #ad |
Manufacturer | KES Sanitary Ware #ad |
Height | 22.8 Inches |
Length | 199.2 Inches |
Width | 78 Inches |
Model | Z504CLF-BK |
More information #ad