Description: Change the aquarium water and wash bottom gravel at the same time, no more scooping and rising of gravel and sand. Bulit in filter screen, seperate bottom gravel from detritus and impurities, prevent the suction out of fish and sand. Air pump for water flow control, slightly pinch it until water draining automatically. Water outlet position should higher than water inlet position. High grade and thickened tube, more durable. Easy and convenient for use. Specification: Material: Plastic Length: Approx. 143cm/56.30 inch Tube Dia. Approx. 1.5cm/0.59 inch Pump Dia. Approx. 5cm/1.97 inch Package Includes: 1 Piece Fish Water Tube
