Air End Repair Kit Compatible with Grainger Part Number 22A399 Compatible with Manufacturer Model Number E1SP5F559C-FP Includes Diverter U-Cup Product Type Air End Repair Kit Compatible with Series 1 in E-SERIES STAINLESS FP Compatible Connection Media Type Air Compatible with Pump Type Air Operated Double Diaphragm Pump Number of Gaskets 1 Number of O-Rings 2 Number of Seals 2 Number of Valves 1 Compatible with Brand Versa-Matic