Color as shown Size: 8 x 7 x 11 cm Weight: 240 grams Adjustable telescopic tube and water flow rate: the waterfall effect increases the oxygen level in the water, also has an adjustable water flow rate. Hanging Design: It starts to work when the rear filter is hanging for fish tank, can save space. Biochemical filter cotton: high density, can be used repeatedly, also clean aquarium fish feces, create a clean environment. Quiet Design: The super silent pump adopts advanced technology, the pump running noise is small. The waterfall effect increases the oxygen content of the water and also has an adjustable water flow rate. Adjustable telescopic tube and water flow rate: the waterfall effect increases the oxygen content in the water, also has an adjustable water flow rate.