By pulling debris from the gravel and keeping the water fresh, this vacuum works to maintain a natural balance that is ideal for your fish's environment. This pump is perfect for removing debris from flowing water and is ideal for quick water changes.The Aqueon Siphon Vacuum Aquarium Gravel Cleaner with Bulb is self-priming, meaning that it uses a simple up and down motion to control the flow of water. This product includes a 10-foot-long hose to clean aquariums between 20 and 55 gallons.Features:
Self-priming intake tube pumps water quickly and easily.
Includes 10 ft. flexible hose.
Ideal for tanks between 20 and 55 gallons.