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: Wrench-free, quick-connect hose audibly clicks when water lines are connected properly, ensuring a quality installation to help prevent leaks. The widespread bathroom faucet fits 3-hole 4-16 in widespread 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 CORROSION-RESISTANT FINISH: Our SpotShield finishes are intentionally engineered for durability and tested for corrosion resistance to at least 2 times industry standards 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 DRAIN: Push pop-up drain unscrews from above the deck for quick removal and easy cleaning of hair and other bathroom sink debris You can install with confidence, knowing Delta bathroom faucets are backed by Delta Faucet's Lifetime Limited Warranty