Fluid End Repair Kit, Check Ball Material Buna-N, Compatible Grainger Part Number 4YPL8408LP5, Compatible Manufacturer Model Number DB2A, HDF1, Diaphragm Material Buna-N, Number of Check Balls 0, Number of Diaphragms 2, Number of O-Rings 12, Number of Seals 8, Valve Type Flap, Product Type Fluid End Repair Kit, Media Intake Pressure (Maximum) 125 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): []