<h2>Supreme&#040;Danner Inc&#041; - Biomatrix Cartridge</h2><p>THE BIO&#045;MATRIX CARTRIDGE PROVIDES TRIPLE FILTRATION FOR AQUARIUM WATER&#046; </p><p>The dense white polyester filter media gives effective mechanical filtration&#046;</p><p>The activated carbon impregnated polyester filter provides chemical filtration&#046; </p><p>Finally, the entire filter cartridge provides maximum surface area for the propogation of friendly bacteria which act as an efficient biological filter&#046;</p><p>This package contains four complete Bio Matrix filters &#045; polyester, carbon and snap apart cartridge&#046;</p><p>For quick, easy and total replacement of the filtering media&#046;</p><ul><li>4 pk</li></ul>