With its rounded tube design, the easyvac is a practical cleaning tool that easily gets into hard-to-reach areas. Quick-start priming offers fast and easy start-ups, while an integrated gravel guard prevents clogging.. Features. Quick start priming. A simple shaking motion while submersed engages the cleaner. Gravel guard prevents clogging. Round tube design is ideal for detailed cleaning in nano and small aquariums i.E. Plants, rocks, decor . Recommended for all substrates. For use in fresh and saltwater aquariums. What's included. 10 25 Cm round tube. 6 Ft 1.8 M hose