Diaphragm Pump Repair Kit, Check Ball Material Acetal, Diaphragm Material Neoprene, 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, Compatible with Brand Ingersoll Rand / ARO, Includes All Fluid Section Replacement Parts Except the Ball Seat, Media Temperature (Minimum) 0 Degrees F