General description The Aquarium Water Changer is a versatile 3-in-1 cleaning tool designed for efficient water changes, sand washing, and debris suction in aquariums. It features built-in double airbags for effortless operation and a 3D filter net to protect fish and small gravel from being sucked out. The kit includes a duckbill suction inlet attachment for easy sludge and debris removal, making it an essential tool for aquarium maintenance. Technical specifications Material: PP-ABS Functions: Water change, sand washing, debris suction Air chambers: Two enlarged air chambers for faster suction Filter: Internal filter to prevent gravel clogging Installation Quick assembly in one minute Assemble the water inlet and outlet Press the siphon switch several times until water fills the drain pipe Release the siphon switch to drain water automatically Includes a flow control valve and pipe fixing sleeve Usage Suitable for various types of aquariums Can be used with spliced extension pipes