Service Kit, Check Ball Material Buna-N, Compatible Pump Manufacturer Part Number 66630, 66632, Diaphragm Material Buna-N, Number of Check Balls 4, Number of Diaphragms 2, Number of O-Rings 7, Number of Seals 7, Valve Type Ball, Product Type Maintenance Kit, Compatible with Pump Type Air Operated Double Diaphragm Pump
