Genuine Replacement for Sloan C-100500-K Flushmate Cartridge/PowerFlush Toilet Piston Cartridge Parts with for Use with 500

Kitchen & Bath Fixtures by EZ-FLUID. Details:Compatible with Flushmate systems: Flushmate I – 501/501A Flushmate II – 501B Flushmate III – 503 Flushmate IV – 504 Included Parts: (1) Lower Supply Filter Screen (1) Flushmate Cartridge Assembly (1) Duckbill Valve Fits Flushmate series 500, 501, 501A, 501B, 503 and 504 Pressure Assist tank systems , or Flushmate M-101526-F3,M-101526