Replacement diaphragm for Heavy Duty Valves

Replacement diaphragm for Heavy Duty Valves.

   Compatible with:

• Heavy Duty 3/4-inch FPT Inline Sprinkler Valve (57280, 57280L, 91415, 94480)

• Heavy Duty 1-inch FPT Inline Sprinkler Valve (57281, 57281L, 91420, 94481)