Advanced construction According to scientific air principles, advanced construction is designed. Extra quiet This small air pump is designed with a double-glazed sealed structure to drastically reduce noise with a suspension shock-absorbing silica gel leg. So it does not resonate with the shell when the air pump is working for the fish tank, which effectively blocks the transmission of noises. It is perfect for bedroom aquariums. Extra powerful The hygger 949 fish tank air pump makes a ton of air outflow with the advanced construction design. Energy-saving Since the latest technology has been adopted, the air pump works effectively with less energy. More durable The precision design with durable material makes it a long-lasting pump. Usage Tips There are 2 methods to install the air pump to avoid water backflow.Method 1: Place the air pump 25 cm higher than the surface of the water, as shown below. Method 2: Install the air pump with a check valve if you want to place the air pump below the surface of the water. Check the following picture to learn how to install the check valve. Specification Brand: hyggerPower: 1 WVoltage: AC 110–20 / 60 HzMax Output: 50 GPHPressure: 0.02 MPaCord Length: 3.3 FeetDimension: 3.5 x 2 x 2 inchApplication: Up to 20 Gal Package:1 x HG949 air pump1 x Air tube: 3.6 feet long1 x Air stone: 0.9 inches1 x Check valve1 x User manual
