HITOP 3W Aquarium Air Pump and 7in Bio Sponge Filter

HITOP 3W Aquarium Air Pump and 7in Air-powered Fish Tank Sponge Filter for up to 50gallon Fish Tank

• This 7in round bio sponge filter can be used together with this HITOP 3W aquarium air pump, realize air-powered filtration more energy-saving.
• Air Pump provide sufficient air to the sponge filter and cause a pressure difference inside the filter to achieve the oxygenation, filtration and water circulation.
• The set of this air pump and sponge filter is very quiet when working. You can only hear the sound of water and bubbles when these 2 products used together.
• There are complete accessories inside the package of air pump, including 5ft ait tubes*2,air stones*2, check valves*2,regulating valves*2, suction cups*2,T-connector*1 and filter cotton*1. And there is 3.2ft air tube and outlet pipe coming with the sponge filter
• You can adjust the air volume of this air pump by rotating the knob. Water volume is affected by the air volume.