Fluval U4 U-Series Poly-Max Clear Water and Algae Aquarium Filter Media Cartridge - 2 Pack Unscented • Easy-to-use snap latches and

• Easy-to-use snap latches and flip top front opening make cleanup quick

Boswellia serrata extract – 20 mg

• Chewing action helps scrape away plaque

chondroitin and L-Carnitine

Fluval U4 U-Series Poly-Max Clear Water and Algae Aquarium Filter Media Cartridge - 2 Pack Unscented • Easy-to-use snap latches andFluval U4 ClearMax Cartridges are phosphate remover media inserts for the Fluval U4 internal filter. They help combat algae and improve water clarity by adsorbing phosphates, nitrites, and nitrates from aquarium water. Regular use of ClearMax reduces excess nutrients that cause algae blooms, resulting in clearer, healthier water. This pack includes 2 replacement cartridges for sustained chemical filtration in your Fluval U4 filter.