Darlly Filtration 70903 Spa/Pool FIlter Cartridge watertech A gate valve helps provide

A gate valve helps provide manual shutoff and service isolation in a compatible plumbing system

Waterway self-aligning union

Clear body supports visual inspection during service

A pump may seem close enough on paper

Darlly Filtration 70903 Spa/Pool FIlter Cartridge watertech A gate valve helps provideA spa or pool filter cartridge helps maintain water quality by trapping suspended debris during system circulation, and this Darlly Filtration cartridge is designed for compatible applications using the 70903 reference. When a cartridge becomes dirty, worn, or unreliable, the filtration system can feel less effective than it should. The application specific reference gives this cartridge practical value because cartridge replacement works best when it