LASTS 2X LONGER: DIAMOND Seal Technology uses a patented design to reduce leak points and last twice as long as the industry standard (Industry standard is based on ASME A112.18.1 of 500,000 cycles) REDUCE LEAKS: DIAMOND Valve, a diamond-embedded ceramic disc, requires no lubrication and eliminates wear on seals, so you can rest assured that this faucet for bathroom sink will perform like new for life SUPPLY LINES INCLUDED: InnoFlex PEX supply lines are integrated into the bathroom faucet for one less potential leak point EASY DIY INSTALLATION: This oil rubbed bronze bathroom faucet is designed to fit single hole and 3-hole configurations. Everything you need is together in one box, including coordinating drain assembly and optional deck plate LIFETIME LIMITED WARRANTY: You can install with confidence, knowing this Delta bathroom faucet is backed by Delta Faucet's Lifetime Limited Warranty