Pentair WC137-517P 21-Inch Collector Hub Assembly for Sta-Rite Cristal-Flo T-BP Series High-Rate Sand Filter best-sellers Also fits hayward h-series above

Also fits hayward h-series above ground induced draft heater model h100idp1

Perfect for quick and easy cleaning in the Hot Tub or Spa and in the swimming pool

Pentair R172272Z

Package contents: 10

Automatically cleans the salt cell by periodically reversing polarity

Pentair WC137-517P 21-Inch Collector Hub Assembly for Sta-Rite Cristal-Flo T-BP Series High-Rate Sand Filter best-sellers Also fits hayward h-series abovePentair WC137 517P 21 Inch Collector Hub Assembly for Sta Rite Cristal Flo T BP Series High Rate Sand Filter Collector hub assembly replacement Fits Pentair Sta Rite Waterford pool and spa sand filter system models JSAL210D, JSAL210E, JSAL210F, JSALS210F Also fits Pentair Sta Rite Cristal Flo high rate T BP series sand filter model T 200BP 1 Measures 22 3 4 inch length by 5 1 2 inch height by 5 1 2 inch width