The Tomlinson RO Faucet comes in 9 finishes for a better match for today's designer kitchen. These lead-free faucet fits to most brands and makes a great upgrade from the basic faucet that come with most RO systems. Features: Lever style handle Smooth operating ceramic disk element 360 degree swivel neck Protective spout tip that prevents after drip Modular air gap Preinstalled 1/4" tubing for quick connect Mounting hardware NSF listed to ANDI NSF standard 61-1999a 2 year warranty 2 1/4" base diameter (57mm) Drilled hole size needed for air gap: 7/8" Drilled hole size needed for non AG: 1/2" Additional Details ------------------------------ Product description: Tomlinson Designer Air Gap / Non Air Gap Faucets - Black 1019307. Tomlinson Designer Air Gap / Non Air Gap Drink Water Faucet Features: NOTE: Tomlinson faucets are universal in that they can be used as non air gap or as an air gap faucet due to the adapter that is included with every purchase. Lever style handles Modular Air Gap Base Protective spout tip design prevents after-drip Internal ceramic disk provides smooth operation 12 reach neck Neck swivels 360 Includes all mountinghardware Preinstalled tubing for quick connections NSF listed to ANSI/NSF Standard 61 AB1953 Compliant Two year warranty The Tomlinson RO faucet is available in 8 designer finishes to match the decor of todays high-end kitchens. (Colors may vary slightly from samples shown above.) Note: If you are attempting to match your drinking water faucet to a stainless steel finish satin nickel isthe best match because the brushed stainless is very bright and the finish is very coarse. Tomlinson Designer Faucets Drinking Water Faucets RO Drinking Water Air Gap Faucets