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Designed for use with Napoleon outside air kits
or harmful UV rays
Choosing Waterway Plastics means working with a brand professionals trust for reliable lighting
allowing flexibility in placement
5" spa plumbing connections
Maytronics Cartridge Door Kit, for Supreme M4 M5 | 9991047-ASSY Propane Friendly Designed for use with NapoleonWhat 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