Filter Cartridges, Replacement Cartridge for Koller Products Fish Tank

Efficient Filtration - It not only filters and absorbs impurities such as fish waste but also has a special ability to adsorb ammonia nitrogen in the water, SW PRODUCTS fish filter cartridge dedicated to helping to maintain a clean water source and promote the healthy growth of fish.
Debris Removal - Designed with double-sided polyester fiber bristles, it can quickly and effectively remove fish waste and other debris, ensuring the cleanliness of the aquarium water.
Premium Materials - This fish tank filter cartridge is made of cotton and carbon and features a 3-layer filtration system. The carbon powder leakage is minimal, preventing water contamination. The evenly distributed cotton does not obstruct normal water flow.
FULLY ASSEMBLED: Ready-to-use cartridge contains premium activated carbon that keeps water clean and fish healthy. No getting hands wet with unique grap tab.
SIZE SMALL - Fits Koller Products and Hawkeye power filters for the following aquariums: AquaView 4.5-gallon Aquarium (B01JS39E60), 5-gallon Aquarium (B00KIRR8BY), 6-gallon 360 Aquarium (B007R5C6CG), 6.5-gallon Aquarium (B0182CAHWS), 7-gallon Aquarium (B01JS2NNJA), Smart Tank 5-gallon Aquarium, Smart Tank 6.5-gallon Aquarium (B086D9B85Q),

Hello,