Filter Sock, 200 Micron, 5 Pack, Perfect for Aquariums, Made in USA (4" x 14" - 5 Pack)

4" Flange x 14" Long, 5 Pack, Perfect for Aquariums, Made in USA High quality construction and heavy-duty stitching make these filter socks strong and durable. Long lasting and reusable, can be rinsed and reused multiple times saving you money. Fine density removes fine particles leaving your aquarium water crystal clear. Safe for all aquatic life, do not contain any harmful contaminants.