Darlly Filtration 70321 Spa/Pool FIlter Cartridge gptools A flow switch helps verify

A flow switch helps verify that water is moving through the system before heating is allowed to operate

Matching the proper nozzle to the supported horsepower range helps the repair stay aligned with the intended pump design

or no longer attaching properly

and any printed cross-reference numbers on the old filter before ordering

Darlly Filtration 70321 Spa/Pool FIlter Cartridge gptools A flow switch helps verifyA spa or pool filter cartridge helps keep circulating water cleaner by trapping suspended debris inside the filter housing, and this Darlly Filtration cartridge is designed for compatible applications using the 70321 reference. When the original cartridge becomes loaded, worn, or unreliable, the system can lose the steady filtration support it should provide. The spa and pool versatility gives this cartridge practical value because some filter formats