Seachem Filter Media Bag The Bag 180 Micron Size 5" W x 9.5" H

"The Bag" is a 180 micron mesh bag measures 5" W x 9.5" H and resistant to bleach, caustics, and acids. The special weld seams are not subject to degradation like stitched seams and comes with a convenient resealable locking closure. However avoid overfilling as welded seams can be forced to separate by excessive pulling forces.