Compatibility: This Pentair pool pump parts replacement is designed to work on the Pentair Whisperflo 1HP, Pentair Whisperflo 1.5 HP, Pentair Whisperflo 2HP, and Pentair 011515 whisperflo pool pump. Kit Includes (1): This Pentair Whisperflo pool pump kit includes the seal plate & shaft seal (074564 and PS-1000), diffuser and oring (072927), pump basket (070387Z), whisperflo pump housing (350015). Kit Includes (2): Foot Insert and Base (070929 and 070927), Pot Screws (071131), Hi Temp Unions, Complete Hardware Kit, Locking Ring (357199) and Lid with Oring (357151). Perfect Pentair Pumps Kit. 3X Stronger: This Pentair Whisperflo High Performance Pump Parts Seal Plate is made with 30% more material allowing the entire Pentair pump kit to be even more resilient compared to the OEM. Durable and Abrasion Resistant: This Pentair Whisperflo replacement kit has been put through rigorous testing in order to prove high quality durability and ensure longevity.