Features: 1.Made of high quality plastic, not easily crack, strong and durable. 2.Unique design: double functions for wash sand and change water, more convenient to use. 3.Strong wash sand ability: just adjust the slope angle, it can effectively suck up the fish manure and feed residues in the sand. 4.It can also clean the sand and purifiy of water at the same time in change the water process. 5.Easy to use, suitable for maintaining both freshwater and saltwater tanks. Specification: Features: 1. Made of high quality plastic, not easily crack, strong and durable. 2. Unique design: double functions for wash sand and change water, more convenient to use. 3. Strong wash sand ability: just adjust the slope angle, it can effectively suck up the fish manure and feed residues in the sand. 4. It can also clean the sand and purifiy of water at the same time in change the water process. 5. Easy to use, suitable for maintaining both freshwater and saltwater tanks. Specification: Condition:100% Brand New Material: Plastic Color: As Pictures Shown Water Inlet Diameter: approx.2.5cm/1.0in Package list: 1 * Tube 1 * Water Inlet Tips: Fish water can be used to water flowers, can save water, and can promote the growth of flowers.