Fluid End Repair Kit, Check Ball Material PTFE, Compatible with Grainger Part Number Not Applicable, Compatible with Manufacturer Model Number PB 1/4, TS3CA, Diaphragm Material PTFE, Number of Check Balls 4, Number of Diaphragms 2, Number of O-Rings 0, Number of Seals 12, Valve Type Ball, Product Type Fluid End Repair Kit, Media Intake Pressure (Maximum) 100 psi, Compatible with Pump Type Air Operated Double Diaphragm Pump, Compatible with Brand Sandpiper, Standards Not Applicable. This item has been restricted from sale in the following state (s): []