Features:                        1.3-in-1 Multifunction Gravel Cleaner. Changing water is no longer a difficulty. This Aquarium Cleaning Pump helps you clean up your fish tank efficiently and quickly Perfect for drainage, cleaning fish leftover food, droppings and fine gravel.                        2.Extension Water Inlet & Outlet Tubes. 2 inlet tubes (30cm 40cm) can be combined together to clear out fish leftover food, droppings as well as fine gravel, suitable for fish tanks up to the depth of 90cm. 180cm environment-friendly outlet tube for fully drainage and long-lasting use.                        3.Air-pressing Button & Water Flow Controller. The convenient air-pressing button ensures one-hand operation and powerful suction. Include a water flow clamp to optimize the water flow between draining and gravel cleaning and a fixture clamp to fix the pipe to free your hands.                        4.Easy to Install & Use. Connect the inlet and outlet pipe and put water inlet into a fish tank and the outlet into a bucket. Keep pressing air-pressing button until water comes out automatically. You can lower water inlet to help clean excrement or feed residue. Note: The position of water outlet must be lower than the inlet (at least 50cm).                        5.Detachable & Cleanable. This fish tank cleaner can be split into different parts and you can adjust and modify them as per your needs. It's quite easy to clean and store.                                                                                           Description:                        Product Name:Aquarium Fish Tank Cleaner                         Product material: ABS                         Product size: Length of the Inlet Tubes: 30cm 40cm, Length of the Soft Outlet Tube: 180cm(5.9ft)                         Note:                        Transition: 1cm=10mm=0.39inch                        Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.                        Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you                                                                                                                     Package includes:                        1 x Aquarium Gravel Cleaner                         1 x Water Flow Clamp                         1 x Fixture Clamp