SunSun PLUS Coarse Fine Filter Pad for SunSun HW304 Canister Filter by Sun Microsystems</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Convenient 4 packs fine filter pad replacements</li><li>Includes 1 pack coarse filter pad</li><li>Fits Sunsun HW304 and other re-branding canister filters</li><li>Dimension: 8.5” (L) x 8.5” (W) x 0.75” (H)</li><li>Provides both mechanical and biological 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/41GPMOLWZIL.jpg' noproxy></br>