Product Description Pentair Diffuser Seal for ALL Models. Pentair Item Code: 355030Z Features Compatible with ALL Pentair SuperFlo VS/VST Variable Speed Pumps: 342001 Compatible with ALL Pentair SuperFlo TEFC Pumps: 348144, 348145, and 348146. Compatible with ALL Pentair SuperFlo Efficient Pumps: 348021, 348022, 348023, 348024, 348025, and 348026. Compatible with ALL Pentair SuperFlo Standard Efficiency Pumps: 340036, 340037, 340038, 340039, 340040, and 340041. Compatible with ALL Pentair SuperFlo Two-Speed Pumps: 341111, 340042, 340043, and 340044. Compatible with ALL Sta-Rite SuperMax VS/VST Variable Speed Pumps: 342001 Compatible with ALL Sta-Rite SuperMax TEFC Pumps: 348147, 348148, and 348149. Compatible with ALL Sta-Rite SuperMax Efficient Pumps: PHK2E6C-100L, PHK2E6D-101L, PHK2E6E-102L, PHK2E6F-103L, PHK2E6G-104L, and PHK2EAA6G-105L. Compatible with ALL Sta-Rite SuperMax Standard Efficiency Pumps: PHK2RA6C-100L, PHK2RA6D-101L, PHK2RA6E-102L, PHK2RAF-103L, PHK2RA6G-104L, and PHK2RAA6G-105L. Compatible with ALL Sta-Rite SuperMax Two-Speed Pumps: PHK2RAY6D-101L, PHK2RAY6E-102LM PHK2RAY6F-103L, and PHK2RAY6G-104L. NOTE: All replacement parts are Final Sale.