Like all Zurn diaphragms, these are made from Zurn go Blue! thermoplastic elastomer material, designed to last up to 10 times longer than the competition. Av flush valves come standard with an ADA-compliant sensor or handle, vandal-resistant control stop cover, high-pressure vacuum breaker, and cast wall flange with set screws. All components can be purchased separately as replacement parts or as retrofit kits to provide any Zurn or Sloan diaphragm flush Valve with the aquavantage.