Pentair Diffuser | SuperFlo VS / VST & SuperMax VS Variable Speed Pumps | 355949Z Diverter Valves 9" Slide Flange is made

9" Slide Flange is made from Cycolac Plastic

it is resistant to corrosion — but scale buildup or grit on the seating surface can prevent a flush fit and cause leaks after reassembly

For Jetted Tubs:

This model is a 2-pack in Black color (pictured in white

When replacing this gasket set

Pentair Diffuser | SuperFlo VS / VST & SuperMax VS Variable Speed Pumps | 355949Z Diverter Valves 9" Slide Flange is madeThe Pentair Diffuser (355949Z) is the OEM replacement diffuser for the SuperFlo VS, SuperFlo VST, and SuperMax VS variable speed pump families. What It Does The diffuser sits directly behind the impeller inside the pump wet end, converting the high velocity water leaving the impeller into pressure. A cracked, worn, or missing diffuser reduces hydraulic efficiency and can cause the pump to lose prime or deliver insufficient flow replacing it with the