High Quality PlasticThe fish tank water changer is made of high quality plastic, which is soft and environmentally friendly, and can be used for a long time. Soft, clear plastic hose delivers liquids faster. The water changer is equipped with a filter screen, an air bag, a transparent plastic hose and a hard tube, and a water outlet valve. Ideal for daily maintenance and regular water changes. Three-in-one multi-functionAquarium water changer is a practical tool that integrates three-in-one functions of changing water, washing sand, and sucking manure, which can clean the aquarium conveniently and quickly. Using a vacuum siphon can quickly and easily change water, remove gravel and remove algae, suck out fish droppings or dead leaves of aquatic plants, etc. Enlarged air bladder and water inletThe aquarium water changer adopts an enlarged air bladder design, which can increase the water changing speed. And the water inlet is a large space water inlet, which can thoroughly wash sand and decontaminate. A round filter is built into the water inlet to prevent small fish and gravel from being sucked out. Water Flow RegulatorThe fish tank water changer is equipped with a water outlet valve. By adjusting the water outlet valve left and right, the water flow can be controlled at will, which is convenient for cleaning finer sand and achieves efficient cleaning effect. Wide applicationThe fish tank water changer can solve the problems of too high fish tank, too much feces, difficult to clean dead corners, and difficult to wash sand. Suitable for small aquariums, large aquariums, coral tanks, small fish tanks, etc., easy and quick to use.