Versatile media bags are designed for filtration applications, This bag is good for holding large media items, such as Pellet carbon, bio balls, bio ceramic rings, crushed lava rocks, zeolite, gravel. Not for fine, granulated carbon charcoal media. Prevent media from entering your filter system and make your pond clean.

Zipper is plastic, you do not worry it would rust and produce harmful substances, it great for use in canister filter system, also can be used as laundry bags, storage bags.

These unique mesh filter bags are easy to fill and empty with top zipper design to keep filter media secure. Our bags are durable, washable, and can be reused.

Our bags close tight to prevent loose media from potentially causing damage to your water pump or power filter's motor. The bag is 100% nylon and completely safe for both fresh and saltwater aquariums.