GUARANTEED QUALITY: Quality is our top priority, so all our bathroom sink faucets are tested and certified, meeting or exceeding industry codes and standards EASY DIY INSTALLATION: Purposefully designed to install in 5 simple steps, with step-by-step instruction videos and tips available on Delta Faucet’s YouTube channel. The 3 hole bathroom faucet fits 3-hole 4 in. centerset installations RELIABLE VALVE: Valve cartridge is tested to last at least 500,000 uses to ensure high performance with less drips and a smooth bathroom faucet handle operation. RESISTS WATER SPOTS: SpotShield Technology helps your bathroom sink faucet stay cleaner, longer by resisting water spots and fingerprints TESTED 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 time EASY-TO-CLEAN METAL DRAIN: Push pop-up drain unscrews from above the deck for quick removal and easy cleaning of hair and other bathroom sink debris LIFETIME LIMITED WARRANTY: When purchased from an authorized Delta seller, you can install with confidence, knowing Delta bathroom faucets are backed by Delta Faucet's Lifetime Limited Warranty