Use the SuperFish AquaVac to vacuum-clean the substrate of your aquarium. Two suction pump sizes, suitable for small and large aquariums. The AquaVac also has a handy siphon function. Simply connect a length of tubing to the outlet to freshen the aquarium water or siphon the water out of an aquarium. Maximum water depth 52 cm, filter bag included, flow rate 520 l/h. Operates on two batteries.