Drip-free washerless cartridge. 1.5 GPM (gallons per minute) maximum at 60 psi (pounds per square inch). Fits standard 4" installation. Low lead compliant waterways. Lifetime limited warranty. Polished chrome finish. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces. For replacement cartridge see Model No. A663003-JPF1 (SKU 459607).