GP500520 Pressure Balancing Unit Cartridge Replacement fits Kohler Rite-Temp Bath and Shower valve 1/2" Single Handle Faucet -

Includes O-rings for GP77759, GP77886, GP71969 caps and GP30320 plate Cartridge Repair Kit fits GP77759, GP77886, and GP71969 valve mixers Used in most pressure balancing valves 1/2" with single handle Cartridge has a diaphragm to ensure consistent pressure in your shower Lubricant is included