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Langelier Saturation Index calculator: Maintains balance to prevent scale and corrosion
reducing ongoing cloudiness between treatments
230V electrical configuration: Designed for dedicated pool circuits
90-day protection guarantee when used as directed
Pentair Pump Diffuser 355617 ansi apsp 16 Langelier Saturation Index calculator: MaintainsPentair 355617 Pump Diffuser for SuperFlo and Sta Rite SuperMax Pumps Intro The Pentair 355617 Pump Diffuser is a precision replacement that restores peak flow in compatible pool systems. Designed for Pentair SuperFlo pumps (1 21 HP) and Sta Rite SuperMax pumps (1 21 HP), it channels water from the impeller into the volute for a smooth, efficient path, preserving steady pressure and filtration in residential pools and spas. List of Features Precise