200 Micro Felt Filter Bag Aquarium Filter Sock For Fish Tank, 14 Inch Length, 4 Inch Ring Diameter, Pack Of 8

200 micro thin-mesh aquarium filter bags are perfect for new setups and after heavy maintenance or whenever there is a lot of particulate matter in the water. This filter socks can remove excess food detritus organic wastes and other particulates to lower ammonia levels and other undesirable substances. Great choice for wet/dry filter systems sumps and DIY filters. 4 inch ring diameter 14 inch length 8 PCS per package. Use this felt filter bag can filter your aquarium tank for long time.