Color as shown Size: 10.1 x 7.1 x 3.7cm Weight: 100g 【Protect quality water】 The water filter; Oxygen can filter biologically, stabilize the water quality, add the solubility oxygen, increase the oxygen level in the aquarium, and increase the survival rate. 【Filter by; three layers】 The bottom of the filter has; mini aquarium air is a layer of biochemical sponge that prevents small fish from being sucked into the filter. Support is set in stone. Bubbles and above is the funnel outlet. It can increase the oxygen level in the aquarium and increase the survival rate. 【Suction Cup Design】The air comes with a suction cup attached to prevent fish from moving in the water. It can be placed anywhere on the aquarium pane. 【High Quality Materials】The aquarium sponge filter is made of high quality durable plastic, which is non-toxic and durable. It is harmless to all fish and harmless to the environment. 【Widely Used】Bio sponge filter is suitable for small aquarium such as bulb aquarium, small
