Advanced/LA Spa, Aber Hot Tub Compatible Filter Cartridge YGroup_3m-depth-markers Keeping the pocket open will

Keeping the pocket open will allow you to empty the rake easily

If you have a reel that is not turning

This is a Pentair 521319Z PCBA Controller for IntelliChem Chemical Controller Systems

The brick will not harm the pool bottom or sides

Advanced/LA Spa, Aber Hot Tub Compatible Filter Cartridge YGroup_3m-depth-markers Keeping the pocket open willThe Hurricane HF6H47 01 Cartridge Filter is compatible with Advanced LA Spas, Aber Hot Tub, and other compatible models. It is identical to Unicel 6CH 47, Pleatco PTL47W P4, and Filbur FC 0315. The original manufacturer's names and part numbers are for reference only. Hurricane's advanced point bond filter media has tighter filtration capabilities than trilobal media material or classic nonwoven media. That means a superior filtration of biomass,