Quick disassembly and quick assembly/waterproof storage/water change and feces cleaning/quick drainage/one-handed operation. One click, one hand can easily grasp the water volume, and the customized special water flow switch is not bulky and simpler. High-quality quick connector thickened water pipe: good air tightness, not easy to break. With this tool, you can remove dirt from the bottom of your aquarium. Comes with a long straw for both large and small aquariums. Suitable for aquarium water change, fish tank pumping, cleaning, etc. Specifications: How to use: Put the water changing straw into the fish tank. Insert the water outlet at the other end of the water pipe into the bucket. . Squeeze the air can until it works. .Lower the water inlet to suck away the fish feces and feed residues in the gravel. Different types of aquariums can adjust the size of the valve according to needs. All product information 1. Please allow slight color difference between appearance and picture. 1. Due to manual measurement, there may be some details. Please make sure you don't mind before bidding.2. Due to different monitors, the color may vary, please understand. observe:If your shipping information (such as name, street, house number, doorbell/email address without name, etc.) is incorrect, your order will not be delivered correctly.