ATWFS RO Standard Drinking Water Faucet Chrome Plated for Reverse Osmosis Water Filter System Fits all under sink water filter systems with 1/4" inlet Long reach spout drinking faucet,requires 1/2" drilled hole for minimal countertop drilling Durable, high quality,ceramic disc,NSF certified,lead free RO faucet that swivels 360 degrees Designed for dispensing water from a Reverse Osmosis system or a Water Filtration system Includes all parts necessary for kitchen counter installation