Pentair Clean & Clear RP Replacement Cartridge 100 Sq Ft. - R173215 Hayward Chlorinator you will want a blanket

you will want a blanket to trap the heat in the pool

Tech Specs:

Hayward's transformer now has a built in switch and cord set saving you $ on electrical requirements

SP23520VSP

Pentair Clean & Clear RP Replacement Cartridge 100 Sq Ft. - R173215 Hayward Chlorinator you will want a blanketGENUINE ORIGINAL REPLACEMENT Pentair Clean & Clear RP Replacement Cartridge Element is Compatible with ALL 100 Sq Ft. Filters. Pentair Item Code: R173215 Features Replacement 100 Sq Ft. cartridge element is compatible with ALL Pentair Clean & Clear RP 100 Sq Ft. Filters. Replacement 100 Sq Ft. cartridge element is compatible with ALL Sta Rite Posi Clear RP 100 Sq Ft. Filters.