hygger USB Single Sponge Filter, Small Aquarium Filter with Adjustable Hanging Clip and Suction Cup, Duckbill Outlet, Rain Pipe Outlet, Extra Spare Sponge — Open-Box, 26% Off

FILTRATION PRINCIPLE: ① The water flows through the microporous filter sponge, absorbs impurities in the water. ② The water continues to flow through the ceramic ball, absorbing and decomposing impurities. ③The filtered water then passes through the extension tube and flows out through the water outlet

REPLACEABLE FILTER SPONGE: The first level is physical filtration. The water flows through the microporous filter sponge. The multi-layer design has a larger surface area, full filtration without dead ends, strong water permeability, and is easy to absorb impurities in the water

REPLACEABLE BIO-BALLS: Second level biochemical filtration, water continues to pass through the small filter box with ceramic balls, precipitates impurities, effectively absorbs and decomposes bad impurities. Please rinse and soak all filter materials before use

FILTER CLEANING: Two kinds of replaceable filter materials, with a total of 2 sponges, and 1 media boxes with ceramic filters. The filter sponge should be replaced or cleaned every 2-4 weeks, or if the water flow is significantly weakened or off, the filter sponge should be checked and cleaned immediately

USB ELECTRIC SPONGE FILTER: no need to use with air pump, an inappropriate air pump will cause unstable air pressure and water flow, affecting water circulation and poor filtering effect. The electric design effectively solves this problem, with strong power, stable water pressure and better filtering and purification effect

ADJUSTABLE: The outlet height can be adjusted by the retractable tube and the sliding clip, which can meet the needs of above or below the water surface and show different usage effects. The outlet direction and filter bottom can also be rotated

SUITABLE SIZE: With 2 types of water outlets, rainforest pipe outlet and aeration outlet head. Suitable for shrimp tanks, betta fish tanks, breeding, goldfish, discus, crayfish, deep-fried fish, juvenile fish or other fish. Suggest S size for tanks smaller than 10 gallons, M for smaller than 30 gallons

Recyclable biochemical sponge: The multifunctional DC-powered biochemicalsponge filter (5V, 1A adapter not included) features a single ribbed design toenhance filtration efficiency, oxygenation, and water circulation. ·Enhance Oxygenation and Filtration: The water pump ensures efficient waterrecirculation, while the shower waterfall design effectively boosts dissolvedoxygen levels in the aquarium. Retractable Air Outlet Pipe: Easily modify the air outlet height to suit your needs. Simple Setup and Maintenance: This sponge filter is straightforward to installand clean.Al components, including the sponge and ceramic balls, are easilyaccessible for maintenance. The ceramic balls can also be replaced with otherbio-filter media as desired. For hands-free operation, the sponge filter can be either suction-cupped orhung on the inside of the tank, offering flexibility in setup. Ideal for Shrimp, Betta, Tropical Fish, Planted Tanks, and other aquatic environments.