Diaphragm Pump Repair Kit, Check Ball Material Santoprene, Compatible with Grainger Part Number 2CAV2, 4RN28, Compatible with Manufacturer Model Number 666150-3EB-C, 666152-2EB-C, Diaphragm Material Santoprene, Number of Check Balls 4, Number of Diaphragms 2, Number of O-Rings 9, Number of Seals 9, Valve Type Ball, Product Type Fluid End Repair Kit, Media Intake Pressure (Maximum) 120 psi, Compatible with Pump Type Air Operated Double Diaphragm Pump, Includes Balls, Diaphragms, Seals. This item has been restricted from sale in the following state (s): []