55The Pfister 974-3210 4.13 in. x 2.31 in. Cartridge is a two-piece pressure relief valve designed for use with Pfister faucets. Made of ceramic material, this cartridge has dimensions of 4.2 inches in length, 2.3 inches in height, and 2.3 inches in width. It weighs 0.5 lbs and is meant to provide a secure fit and proper function for your Pfister valve.