XINYOU XY-2822 Air Pump Double Sponge Water Filter for Aquarium</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Sponge filters provide both mechanical and biological filtration</li><li>Provides the ideal location for bacterial colonization.</li><li>Does not trap fish fry. Suitable filter when breeding and spawning Discus， Dwarf cichlids， guppies， and killifish.</li><li>Max Tank Size: 20 Gallons</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41UvHBkfssL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51qQHNJGo0L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41LybUpimfL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/5135RoToP1L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/513Y4q0kRsL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41rdLCFKLrL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41uIlci%2Bc6L.jpg' noproxy></br>