Features: Aquarium Vacuum Cleaner + Water Siphon. Easy to install and use. Telescopically adjustable height for large and small aquariums. Adjustable height. Hose Filter bag included. Syphon Pipe supplied. Flow rate 520 litres per hour. With this tool,you can remove the dirt from the bottom of your aquarium.Supplied with two suction pipe sizes,it is suitable for both large and small aquariums. Also be used as a water siphon for water changes, or to empty your aquarium when you connect a hose to outlet.