Note: Delivery on 1-3 Business Days
Telescopically adjustable height for large and small aquariums
Press the on/off button on the top, the water in aquarium will be pumped out automatically through a hose for changing water
Also can clean gravel, siphon the fish excreta and other dirt out effectively without requiring a water change
Also be used as a water siphon for water changes, or to empty your aquarium when you connect a hose to outlet. Powered by two batteries, safe to use. Another power on/off button to control external power supply(not included).