Features: 1.The design of manual flow control switch allows you to adjust the direction of flow change at will to suck out floating impurities and pests. 2.It has a simple structure and is easy to control, thus convenient to suck fish manure, impurities and muddy water out of the fish tank. 3.Made of transparent elastic plastic, it is more durable and resistant to kinks and is harmless to fish and has no peculiar smell. 4.There is an enlarged and thickened airbag, which has strong suction to improve the water change and cleaning efficiency. 5.This aquarium siphon cleaner is equipped with three different cleaning heads to facilitate you to clean the dead corners of the fish tank. Specification: Item Type: Aquarium Siphon Cleaner Material: Plastic Applicable Range: Short Type for about 25cm water depth Standard Type for about 50 water depth PackageList: 1 x Duckbill Suction Head 1 x Inlet Pipe 1 x Outlet Pipe 1 x Sand Washing Head 1 x Right Angle Elbow 2 x Hard Tube 1 x Quick Connector