BrassCraft's SL1300 faucet cartridge for Bradley Faucets, Cole Faucets, and Kohler Faucets single handle tub, shower, kitchen, and bathroom faucet applications. Cartridge measures 1-1/2" OD x 3-11/32" height. Grey and black finish. Plastic construction. OEM reference number is 42148 (300-050). Easy-to-follow instructions are included.