Photo 1 of 2 Pack GP500520 Pressure Balancing Unit Cartridge, Compatible with Kohler GP77759, GP77886 Shower Cartridge Replacement, for Rite-Temp and Single Handle 1/2" Pressure Balancing Shower Faucet Valve

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Photo 1 of 2 Pack GP500520 Pressure Balancing Unit Cartridge, Compatible with Kohler GP77759, GP77886 Shower Cartridge Replacement, for Rite-Temp and Single Handle 1/2" Pressure Balancing Shower Faucet Valve