GUARANTEED QUALITY: Quality is our top priority, so all our bathroom sink faucets are tested and certified, meeting or exceeding industry codes and standardsSINGLE HOLE BATHROOM FAUCET: Fits 1 or 3-hole 4 in. installations, optional deck plate (included) with gasket seal helps prevent drips and splashes from leaking under the bathroom sink faucetLESS LEAK POINTS: Corrosion-resistant nylon supply lines (included) are integrated into the bathroom faucet for one less possible leak pointRELIABLE CERAMIC VALVE: Ceramic disc valve cartridge is tested to last at least 500,000 uses to ensure high performance with less drips and a smooth bathroom faucet handle operationRESISTS WATER SPOTS: SpotShield Technology helps your bathroom sink faucet stay cleaner, longer by resisting water spots and fingerprintsTESTED AND CERTIFIED: All Delta bathroom faucet finishes are third-party certified and vigorously tested under extreme conditions to ensure years of dependable use without cracking, peeling, chipping, blistering or changing color over timeCORROSION-RESISTANT MOUNT: Durable, long mounting stud is designed to resist corrosion and accommodate a larger countertop thickness