Piwerod 12Pcs EZ-Change #2 Aquarium Filter Cartridge Compatible with Aqua-Tech 10-20 Fish Tank Filter

The filter cartridge has dense filter cotton, which can adsorb all kinds of debris and fish excrement, and the grid design of the fish tank filter cartridge makes full contact between the activated carbon and water to achieve maximum deodorization and water purification. Features: ?Compatible with Aqua-Tech EZ-Change # 2 Aquarium Filter. Fit for 10-20 gallon aquarium filter instead of 30-60 gallon filter. ?Made of durable sponge filter and Fiber bio sponge filter. ?Strong adsorption activated carbon can effectively capture fine particles or dust in the water, removes the odors and impurities. ?Easy to replace and no need assemble. ?We recommend replacing it every 2-4 weeks. Specification: Name: Aquarium Filter Cartridge Material: Filter Spray Cotton + Activated Carbon. Color: Blue Size: 11.7 * 15.2 cm/ 4.6 * 6 in Package Included: 12 Pcs * Filter Cartridges