APEC Water Systems FAUCET-CD-COKE-NP Kitchen Drinking Water Ceramic Disc Luxury Designer Faucet, Non-Air Gap Lead-Free Brushed Nickel Coke Premium ceramic disc designer faucet Lead-free ro Drinking water dispensing Faucets 1/4 inch input and 1/4 turn ceramic disc valve Mounting Dimension range: 1/2 inch D to 1-1/4 inch D hole