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Self-start siphon feature makes aquarium maintenance a lot easier. Simply submerge the Gravel Vac cylinder in the aquarium water and move it up and down a few times to activate the siphon. Easily separates and removes debris from aquarium gravel. Practical & modern design, made from finest materials.
Includes tubing, gravel tube, on/off valve, hose connectors, faucet pump, and faucet adapter. Comes in four sizes, ready to use. Measure distance from faucet-to-aquarium to determine which product to order. For fresh or saltwater aquariums.