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

Helps support proper bromine-generator operation

or no longer engaging the timer mechanism correctly

Waterway top access diverter valve body

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