Pump Head Repair Kit, Compatible with Grainger Part Number 35U539, 35U540, 35U545, 4NA12, 4VZG3, 4VZG4, Compatible Pump Manufacturer Part Number 45MFH2A1SUG1, 45MJH2A1STAA, 45MJH2A3STAA, 45MJL2A1STAA, 85MFH2A1SUG1, 85MJH2A1STG1, Flow Rate (Maximum) 17 gpd, Includes Connecting Nuts, Latches, Ferrules, Duckbill, Pump Tube, Roller Assembly, Material Polycarbonate, Product Type Pump Head Repair Kit, Tubing Connection Size 1/4 in, Compatible with Brand Stenner