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Strong Compatibility - The aquarium filter cartridge has dimensions of 2.2" x 0.75" x 3", perfectly compatible with Koller Products Power Filters.    This ensures you can easily integrate the filter cartridge with the corresponding filtration system.

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.

No Assembly Required - Ready-to-use design;    rinse with cold water to remove external dust, then place it fully into the filter chamber.    To maintain optimal filtration performance, it is recommended to replace the filter cartridge monthly, ensuring the aquarium water quality remains in excellent condition for an extended period.