Flush Valve Diaphragm Repair KitRepair or retrofit existing flush valve with the 6. 5 gal. AquaFlush flush valve diaphragm repair kit. Constructed of chemical resistant materials which includes a dual seal thermoplastic diaphragm with a linear filtered clog resistant by pass. This kit is meant to be used with Z6017 AquaFlush exposed clinic service sink flush valves. Features: Aquaflush 6. 5 GPF 24. 6 LPF closet repair kit boxed Clog resistant linear bypass diaphragm Interchangeable,