Generic Foam Filters Suitable For Fluval U4 Filter</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Approx size: 235mm x 64mm x 17mm</li><li>After market product，Not Hagen FLUVAL genuine FOAM</li><li>Traps Particles & Debris Enhances biological filtration</li><li>Good for freshwater & marine environments</li><li>Provides efficient water flow with less clogging for long lasting filtration</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/31g6kHYGiFL.jpg' noproxy></br>