WEAVERBIRD Mini Sponge Fish Filter Ultra Quiet 3-in-1 Filtration System Air Pump Filter for Small Fish Tank

Mini Sponge Filter – 9.8 × 3cm, appropriate for small fish tanks, corresponding to spherical fish tanks, small fish tanks, special-shaped fish tanks and different household small fish tanks.
Layer Filtration System – Funnel air outlet, gasoline stone filtration and biochemical filter sponge. Notice: This bio filter have to be used with an oxygen pump.（This product doesn’t include air pump）
Suction Cup Design – Sturdy suction power, will be put in anyplace on the fish tank glass. Don’t use an outsized air pump to keep away from uneven mixing of water and air.
Filtering Perform – Small quantity however massive operate, this tank filter can successfully carry out biochemical filtration.
Straightforward to Care – It’s endorsed to clean the filter cotton with fish tank water to keep away from destroying the shaped colonies. Clear the sponge as soon as a month and alter it each 5 to six months.