Delta Classic 1-Handle 4 In. Centerset Bathroom Faucet With Pop-Up Classic Series. Lever handle, 3-hole 4 centerset installation. Features Diamond Seal Technology for over 5 million trouble-free uses. 3/8 O.D. Pex supply tubes 36 long connections. Includes plastic drain with pop-up type fitting with plated flange and stopper. WaterSense labeled product. Flow rate of 1.5 G.P.M. versus industry standard ASME.A112.18.1/CSA.B125.1 of 1.5 GPM gallons per minute flow rate. ADA compliant. Complies with California lead-free law AB1953. Lifetime faucet, parts and finish warranty to the original purchaser. Finish Chrome, Number Of Handles 1-Handle, Handle Type Lever, ADA Compliant Yes, Faucet Centers 4 In., Faucet Type Centerset, Faucet Holes 3 Hole, Flow Rate 1.2 GPM, Valve Type Disc, Manufacturer Warranty Lifetime, Pkg Qty 1, Package Type Box