Maytronics Fine (Standard) Cartridge Filter Kit for Active 20/30/30i/40/60 Pump-Baskets then insert and hold

then insert and hold

engineered for performance and reliability

Just add a few cap-fulls into your Spa or Hot Tub

Avoid overuse: Excess CYA can hinder chlorine’s performance

Protective Cover: Includes a cover to prevent wear and tear on pool cover material

Maytronics Fine (Standard) Cartridge Filter Kit for Active 20/30/30i/40/60 Pump-Baskets then insert and holdMaytronics Fine (Standard) Cartridge Filter Kit 4 Pack Part #9991463 R4 Genuine Maytronics Replacement For Dolphin Robotic Pool Cleaners Maintain crystal clear pool water with the Maytronics Fine (Standard) Cartridge Filter Kit (4 pack) authentic OEM replacement filters designed for top performance in Dolphin robotic pool cleaners. These fine grade cartridges are engineered to trap dirt, dust, leaves, and small debris, ensuring your pool stays