Powkoo 2 Pack Sponge Filters for Aquarium Fish Tank Filter Shrimp Nano Axolotl Goldfish Betta Fry Up to 200 Litre

Large sponge filters for aquarium: Air powered quiet sponge filter for aquarium fish tank, provides physical filtration, biological filtration, oxygenation, aeration in one, suitable for freshwater and saltwater【For tank size: up to 200 litre tank】. Highly porous 40ppi sponge: Protect baby fish from being sucked into the filter system, vertical cut-cylinder sponges, where provides lots of surface area for growth and breeding of beneficial tiny creatures, enhances bio filtration, good water flow, traps floating debris and fine particles, keep your fish tank crystal clear and clean, closer to the natural water quality. Easy to use: Connect the tube to the air pump and connect it to the aquarium sponge filter, plug it in, it works, provide both aeration and filtration for your fish. Easy to clean and assemble: Simply rinse and squeeze sponge in tank water. Recommendation: replace bio sponge every 6 months to ensure filtration effect and growth of nitrifying bacteria. Easy to hide in the corner of a tank, cylindrical sponge filter doesn't take up too much room, great bio sponge filter for shrimp tank, betta tank, goldfish, fry, baby fish or breeder tank. can be used as pre-filtration unit by fitting to an external or a top filter.