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Keep your pool cleaner running smoothly with genuine Maytronics replacement parts
preventing water loss and equipment corrosion
Durable materials withstand regular pool-cleaning cycles for lasting cleaning power
delivering long service life in challenging environments
XtremeBlue B9 CS Series Single Pool Filter Cartridge With PurePleat Technology R0981A Reagent Keep your pool cleaner runningXtremeBlue B9 CS Series Single Pool Filter Cartridge With PurePleat Technology Intro Introducing the XtremeBlue B9 CS Series Single Pool Filter Cartridge from Duckies Pool Supply. This blue filter cartridge leverages PurePleat Technology and point bonded fabric to deliver high efficiency filtration, capturing more dirt and debris with fewer passes. The antimicrobial protection activates on contact with treated blue media, helping reduce microbial