Aqueon Replacement Filter Cartridge Large 24 Count

Helps create crystal-clear, healthy water Patented dual-sided replaceable dense, floss cartridges filter out more particles and debris. Ready-to-use, preassembled filter cartridges install in seconds. Fits Aqueon QuietFlow 20 and larger Power Filters. 2-Pack. Debris Cartridges contain more activated carbon to remove toxic impurities, odors and discoloration. For best results replace cartridge every 4-6 weeks. Remove cover from filter. Remove used cartridge from bio-holster by pushing down gently on the holster and pulling the tab on the cartridge upwards. Rinse new cartridge under cold water to remove carbon dust Insert new cartridge into bio-holster by aligning the key slot on the cartridge with the key slot on the biological grid Replace cover on filter, Cartridges should be replaced every 4-6 weeks Item. Size: Medium,Large.