Collar’s aPump Maxi is a two-outlet aquarium air pump for aquariums up to 60 gal. in volume. It is designed to supply aquarium water with oxygen. Strong air pressure flow produced by the pump makes it possible to use it in aquariums with water levels of up to 31.5 in. The noise level is less than 40 dB. A silicone hose and air spray are included.