Pure Aquatic Pure Power Nylon Mesh filter Bag - 5 in. x 12 in.
Overview Pure Power Nylon Mesh Filter Bags are economical, reusable media bag choices for your canister filter, power filter or sump. Drawstring-design is easy to use and close. Great for carbon, ammonia remover, phosphate remover, resins and more. Pore size is approx. 300 micron. Marine biologist tested and approved.