(4 Pack) Fluval U3 Underwater Filter Foam Pads， 2 Pads each</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>8 Filters Total (4 Packs with 2 per Pack) Fluval U3 Underwater Filter Foam Pads</li><li>Provides effective mechanical filtration</li><li>Custom fit for the Fluval U3 Filter</li><li>Easy to replace</li><li>Works in freshwater， marine or reptile environments</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/51FaIZaPNEL.jpg' noproxy></br>