Suitable for aquarium Height:Aquarium water changer Max Height is 35 inch.Environment-friendly material,it is easy to clean the dirt at the bottom of the fish tank.It would help you clean the tank easily. 3 IN 1 MULTIFUNCTIONAL:Water changing,sand washing,and excrement - absorbing in one key,No need to Press dirty water with your hands. EASY TO USE:Easy operation,easy to install, high quality.If you dont know how to using,pls see the video.Can be used repeatedly, cleaning up necessities in aquarium tools,suitable for various fish tank.Humanized design air - pressing button,When you want to clean and drainage water,first connect the inlet and outlet pipe,then pressing air-pressing button until water comes into the bucket. LOVE FISG PROTECTOR:The fish tank gravel cleaner built with filter basket net, can Protect your love fish out with the water.There also have 2 inlet tubes (30cm and 40cm), which can be extend and combined together. The depth of the aquarium it fits for various fish tank. AIR-PRESSING AND WATER FLOW CONTROLLER:This Air-pressing Button has a strong suction,can allow one-hand operation.The water flow clamp can help your optimize the water flow and fix the pipe. 100% brand new and high quality. Length of the Soft Outlet Tube: 180cm USAGE STEPS: 1.Connect the inlet and outlet pipe. 2.Put in a suitable location. 3.Press the air-pressing button with fingers lightly. 4.Absord the residue. Notes: 1.Please clean the internal garbage regularly 2.Please check for air leakage when connecting the pipe 3.The outlet pipe cannot bend when using 4.When you use the gravel cleaner, please lets the water outlet lower than the inlet when in use (at least 19.6inch). colour:Transparent Material:ABS+PC Package Contents: 1 * Aquarium Gravel Cleaner 1 * Water Flow Clamp 1 * Fixture Clamp 1 * glass scraper Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.