Fluid Kit, Check Ball Material Hytrel, Compatible with Manufacturer Model Number 66625, 66627, Diaphragm Material Hytrel, Number of Check Balls 4, Number of Diaphragms 2, Number of O-Rings 5, Number of Seals 5, Valve Type Ball, Product Type Maintenance Kit, Compatible with Pump Type Air Operated Double Diaphragm Pump
