Lake Charles Filtration carries and distributes a number of different size filter bags (Sock Filters), along with a variety of medias and micron ratings to meet your certain application. The different sizes we carry are 1, 2, 3, 4, 8, and #9 Socks. The Filter Bags can be made with Polyester Felt, Polypropylene Felt, and Nomex for high heat applications.