Fluval U4 U-Series Poly-Max Clear Water and Algae Aquarium Filter Media Cartridge - 2 Pack Unscented • Chewing action helps scrape

• Chewing action helps scrape away plaque

chondroitin and L-Carnitine

The stylish design has a great appearance and pet parents can choose from an assortment of sizes and color options to fit your pet's lifestyle

chicken meal (natural source of glucosamine and chondroitin sulfate)

Fluval U4 U-Series Poly-Max Clear Water and Algae Aquarium Filter Media Cartridge - 2 Pack Unscented • Chewing action helps scrapeFluval 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.