The Delta Classic Single-Handle Side Sprayer Kitchen Faucet in Stainless employs DIAMOND Seal Technology that reduces the chance of water coming in contact with potential metal contaminants once inside the faucet. This results in cleaner water. In addition, this faucet features a clean and understated Classic look that complements a variety of kitchen decorating schemes. The single-control lever was designed to make water temperature and volume adjustments easy on you.