· 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 6-16 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: 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· CHEMICAL-RESISTANT SURFACE: Matte Black bathroom faucet surface is tested to withstand 16 hours of exposure to 7 harsh cleaning chemicals without corroding or discoloring.· 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· LIFETIME LIMITED WARRANTY: You can install with confidence, knowing Delta bathroom faucets are backed by our Lifetime Limited Warranty and repair parts