Maytronics Cartridge Filter Assembly with Bottom Lid Conversion | 9991414-R1 Aluminum Durable construction designed for long-term

Durable construction designed for long-term outdoor exposure

Replacing the lounger helps maintain a clean and safe poolside environment

or acting erratically around water-level protection even though the rest of the system looks normal

Heater cabinet rebuild requires restoration of control area

Maytronics Cartridge Filter Assembly with Bottom Lid Conversion | 9991414-R1 Aluminum Durable construction designed for long-termWhat This Part Is Used For This cartridge filter assembly with bottom lid conversion installs inside compatible Maytronics robotic pool cleaners. It updates or replaces the internal debris filtration module and lower lid configuration. The assembly supports proper debris capture during cleaning cycles. Why This Part Matters Cracked bottom lids or worn filter assemblies can reduce suction and allow debris bypass. Conversion components are used when