Tub and shower faucet cartridge for Kohler Faucets. For Kohler Faucets Coralias style. For single handle tub and shower faucet applications. Faucet cartridge length is 2-3/4". Finish/Color: Chrome and White. Plastic and rubber construction. Includes (1) faucet cartridge, (1) large faucet O-ring, (2) small faucet O-rings, and (1) silicone lubricant. OEM reference number is 30413. Easy-to-follow instructions are included.