The new Eheim gravel cleaner is the ideal tool for easyely and safely cleaning of the aquarium gravel.-integrated priming aid to start you off easily and hygienically-quick-stop button stops the water flow instantly-hose clip (for 12/16 mm and 16/22 mm) secures the hose safely on you bucket-specially designed rounded triangular form to reach into every corner of your tank-fully equipped with Eheim quality hose (2 m) and hose clip-total length: 582 mm, extendable by using accessories of the Eheim InstallationKit-Suitable for the connection to external filter Please click here for the extensions pipes.