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or harmful UV rays
Glass Thickness: 0
It allows water pressure beneath the pool to escape into the pool interior when hydrostatic pressure exceeds internal pressure
mis-match-free design and reliable performance across water-treatment applications
It is designed for 3/8 inch connections and works within pool chemical delivery and circulation setups
Maytronics Cartridge Door Kit, for Supreme M4 M5 | 9991047-ASSY Propane Friendly or harmful UV raysWhat This Part Is Used For This cartridge door kit installs on compatible Maytronics Supreme M4 and M5 robotic pool cleaners. It forms the access door that secures the internal cartridge filter assembly during operation. The door maintains proper sealing and debris containment while the cleaner is running. Why This Part Matters A cracked or warped cartridge door can reduce suction and allow debris to bypass the filtration chamber. Poor sealing may
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