Seachem "The Bag" Welded Filter Bag

<p>Features</p> <ul> <li>Ideal mesh size for all aquarium filter media</li> <li>Small Bag Size: 6&rdquo;x 8.5&rdquo;<br />Large Bag Size: 13&rdquo;x 17&rdquo;</li> <li>Reusable</li> </ul>