hygger Aquarium Sponge Filter, Fish Tank Filter, Submersible Internal Foam Aquarium Filter for 5-91L Breeding Fry Shrimp Snails Betta Tank with Filtered Ceramic Balls and Spare Sponge(S)

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  • Precision Double Filtration hygger sponge filter consists of a circular cotton and a chamber base with bio-ceramic ball that provide both mechanical and biological filtration for your aquarium, which is suitable for low flow breeding like betta, guppy, shrimp, snail, fish fry. Or as a pre-filter for other filtration systems and also be used as an auxiliary filter for large tanks.
  • Working Principle This air-driven sponge filter is powered by an air pump that uses the water-lifting effect generated by rising bubbles and drives water flow through filter sponge, which can effectively adsorb excreta and residual bait to achieve the purpose of filtering and purifying water quality.(PS AIR PUMP AND AIRLINE SOLD SEPARATELY)
  • Use & Maintain Our fish tank foam filter includes two sponges that take the spare sponge off and stay the other on filter before use. Filter container is easy to detachable and can be freely replaced with any other filter media as needed. Hook the filter up to air pump, and squeeze the sponge until it is full of water making it sink to the bottom of the tank. The sponge should be washed approximately every 2-4 weeks use tank water rinse to ensure the filter works properly.
  • Three Size For Choice Small 7.3cmW x 11.2cmH, it works pretty well filtration for 5-91L small aquariums with under 40cm depth. Medium 7.3cmW x 16.5cmH, suggested for 91-250L medium-sized aquariums with under 50cm depth. Large 10cmW x 17.7cmH, suggested for 250-568L aquariums with under 67cm depth.

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