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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
delivering swimmer-ready clarity with minimal effort
repeating this cycle 3 times before entering low power mode
you’ll dose accurately
Why this matters for your pool
Just as you thought Regan couldn’t get any worse
Maytronics Spring Cartridge Filter Panels, Pack of 4, 9991408-R4 Bio Dex delivering swimmer-ready clarity with minimalMaytronics 9991408 R4 Spring Filter Cartridge 4 Pack The 9991408 R4 is a genuine OEM replacement kit of four spring cartridge filter panels designed for select Maytronics Dolphin robotic pool cleaners. These panels are engineered to capture larger debris during heavy load cleaning cycles (such as spring openings or leaf fall seasons) and allow finer particles to pass through, helping prevent premature clogging and maintaining flow. Key Features
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