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 LEAK-FREE FOR LIFE. DIAMOND Valve, a diamond-embedded ceramic disc, requires no lubrication and eliminates wear on seals, so you can rest assured that this faucet will perform like new for life CORROSION-RESISTANT FINISH: Delta Matte Black faucet finishes are salt fog tested, meaning they withstand a corrosive, chemical solution for over 12 hours, triple the required industry standard, without blistering, cracking or peeling 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-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 WARRANTY: When purchased , you can install with confidence, knowing Delta bathroom faucets are backed by Warranty.