Features:100% Brand New and High QualityAquarium Vacuum Cleaner + Water SiphonEasy to install and use. Telescopically adjustable height for large and small aquarium adjustable height maximum water depth 52 choose & Filter bag included. Syphon Pipe supplied a flow rate of 520 liters 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 connecting a hose to the outlet. Material: High-Quality ABS Plastic and Electronic Components.Power Requirement: 2 x Battery (C/LR14, not included).