Dora's Corner Store 2x10-Inch Vacuum Water Siphon with Self Starter Gravel Cleaner for Aquarium This Gravel Vacuum/Cleaner for aquarium is a 2"x10" Cylinder Tube with a 56" flexible drain hose, very durable 100% made in USA and BPA free! It won't harm your fish or plants! Makes Cleaning and Water Changes Easy, it is Self-Priming by using up and down motion to start water flow, (no bulb needed), Suitable for 15 gal. to 30 gal.Tank Easily vacuum & clean tanks with or without gravel, easy to assemble only 3 parts, 10 inch Tube, a unique backflow valve Lid and 56" Hose Efficiently separates debris from gravel while also doing your regular water changes. Gravel vacuum for aquarium BEWARE OF OTHER CHEAP PLASTIC PRODUCTS, this product will last, It is sturdy and very durable, not cheap plastic like most others and the plastic is BPA free!