Avanti Designer Kitchen Bar Sink Reverse Osmosis RO Filtration Drinking Water Faucet - NSF certified, built-in Air Gap, ceramic disk, lead-free - RF888A-BN Brushed Nickel

Premium Designer Drinking Water Faucet - Made in Taiwn
· Contemporary European design offers simple yet elegant look to complement your kitchen decor
· Available in polished chrome or brushed Nickel finishes with great tarnish and corrosion resistance
· Specific designed and optimized for undersink drinking water filters and RO filtration systems

Built to Last
· NSF/ANSI certified for safe drinking water system components for cold water applications only
· Lead-free solid brass and 304 stainless steel construction with long lasting ceramic disk cartridge
· Quarter-turn single lever with precise flow control and no-drip 360-degree swivel spout

Built-in Air Gap
· Prevent backflow of sewer water from entering your RO system via brine drain line
· Many local plumbing codes require air gaps to be installed for RO filtration systems. Please check with your local authority

Easy Installation
· fits opening between 7/8" and 1-1/4"
. fits countertop up to 1-3/4" thick
. connected with 1/4" drinking water supply tube, 1/4" RO-to-faucet brine-in drain tube, and 3/8" faucet-to-drain brine-out drain tube (tubes not included)
· for 3/8" supply tube, a quick-connect adapter (ASIN B0796JNK4Z) is needed and sold separately