Features:1. Metering water change, cleaning dirt, accurate suction, large water absorption, feeding medicine.2. Remove the garbage and residual feed deposited at the bottom of the mini fish tank. 3. It can be used as a water quality adjusting agent, nitrifying bacteria, water grass liquid fertilizer. 4. Feeding of frozen foods such as brine shrimp, red worms and leeches, and feeding of live, small-grain liquid feeds are also suitable.5. Precise and practical, mini size, suitable for office mini fish tank, pump water and change water. Specification:Condition:100% Brand NewMaterial: ABSColor: As Pictures ShownColor: Blue, Green(optional)Total Length: Approx. 28cm/11inWater Pipe Length: Approx. 20cm/7.9inHandle Size: Approx. 5cm/2inWeight: Approx.39gPackage list: 1 x Mini Fish Tank Water Changer .