The offered here aeration tubes are made of high-quality silicone and plastic materials. They are durable and safe to be used in your tank. You can use these aeration tubes in both freshwater and marine aquariums. They are easy to install and to disassemble for cleaning. The tubes are quite practical in use so you can extend them to meet the length of your aquarium. Strong suckers firmly hold the tube in its position in your tank. Please see all the available colours and sizes in the drop-down menus shown above.