Commercial grade cartridge! It is also complied with California Lead Plumbing Law AB1953. * 12 pt. broach or 12 spline. Length 1-13/16". * Fit Price Pfister lavatory or kitchen faucet * Replace your old Price Pfister compression-stem with this ceramic disc cartridge stem. * With this cartridge, you will save the hassle to replace washers that has bugged you for years!