hygger Aquarium Double Sponge Filter: Upgraded Sponge Filter with Larger Filtration Area – M (For 15-55 Gallon)

About this item

Mechanical and Biochemical Filtration: Powered by air pump, hygger aquarium sponge filter use the rising air to generate a strong adsorption force on water through the sponge and combine with bioceramic balls to effectively adsorb and decompose impurities in water, achieving the purpose of filtering and purifying water quality Upgraded Filtration: This sponge adopts a vertical stripe design. 1.It has a larger specific surface area for filtration, cultivating more beneficial bacteria and degrading impurities for the aquarium. 2.The vertical stripes are arranged perpendicularly to the water inlet holes, which have a stronger adsorption force for water and can effectively adsorb impurities for efficient filtration Sponge Aquarium Filter Maintenance: Both sponge and bio ceramic balls can be replaced. You can easy to take down the sponges to clean or replace (total of 4 sponges). You can clean sponges with aquarium water every 2 to 4 weeks. Bioceramic balls can also be washed and reused. You can replace them with other filter media as needed Easy To Use and Adjustable: All components of this fish foam filter can be easily disassembled and assembled. Sponge filter equipped with 2 strong suction cups and 1 hang-on extendable plastic clip, offering 2 installation methods. The water outlet can be rotated, the water outlet pipe can be extended, and the T-shaped connector at the bottom can be adjusted 360° Wide Application: This fish tank sponge filter is suitable for shrimp, betta fish, mackerel, snails, farmed fish fry, goldfish, crayfish, young fish or other fish species, etc 2 Size For Choice：Small double sponge filter is 6" in width and 9" to 14" in height, suggest for 10 to 40 gallon fish tank. Medium double sponge filter is 6.3" in width and 9" to 14" in height, suggest for 15 to 55 gallon fish tank. For larger tank you may need 2 of this filter.Please connect the air pump for use (package not include air pump)