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maintain water flow
When a spa pack or control system shows signs of electrical failure
Replacing the knob improves serviceability and helps keep the clamp hardware easier to manage
Topside panel for compatible Balboa ML400 applications
or no longer switching cleanly between functions
Filbur Pentair/Hayward 36" DE Grid Set for 72 sq ft Filters, 7+1 (FC-9560) prostar maintain water flowThe Filbur Pentair Hayward 36" DE Grid Set is a replacement internal grid set for compatible 72 sq ft DE pool filters. This 7+1 configuration includes the full and partial grids required to rebuild the filters internal grid assembly and support proper DE media coverage. Use this set when filter grids are torn, cracked, collapsed, or releasing DE back into the pool. Confirm the filter brand, model, square footage, grid length, and full partial grid