Fit Price Pfister 910-900 Ceramic Disc Cartridge - By Plumb USA Commercial grade! Complied with California Lead Plumbing Law AB1953. Lead content less than 0.25%. 12 pt. broach or 12 spline. Length 1-13/16". Fit Price Pfister lavatory or kitchen faucet. Fit both hot and cold handles.(Need to Flip Over the Clutch) Replace your old Price Pfister compression stem with this ceramic disc cartridge. Pull The Retainer Pin, And Flip Over The "Clutch" To Reverse Function to COLD Side