Features:OOTDTY The product uses food-grade silicone tube-PVC, which is non-toxic and tasteless,it can be used with confidence. Convenient disassembly and assembly, disassembly and storage after use is convenient for next use or carrying. You only need to press the airbag and release it, and the water can be discharged in a few easy steps, which greatly shortens the working time. Extra long tubing allows you to reach any dirty spots immediately without getting your hands wet. Excellent helper to change water and clean the gravel,convenient to suck fish feces, impurities, and turbid water to drain from the fish tank. Specifications: Material:PlasticHard Tube：Approx. 50cm/19.68inchSilicone Tube: Approx. 200cm/78.74inchMini Water Changer:Approx. 28cm/11.02inchPackage Includes: 1 Set Water Changer Kit +1 x Mini Water Changer/1 Set Water Changer Kit (Two Options)Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.