Mesh Filter Media Bag Medium Duty – 18″ x 30″

The Mesh Filter Media Bag – Medium Duty 18″ x 30″ is designed for holding mid to low weight pond biological media. Commonly found in waterfalls and other bio-filters, these bags are perfect for use with Bioballs, Biocubes, Koi Kubes, and even low quantities of lava rocks. The bag measures 18″ x 30″ and can comfortable hold about 2 cubic feet of bio media. Mesh surface also allows for easy handling and cleaning of pond filter media.