Oil Solutions Group FE1828 18 3/8" x 28 3/4" Masterfil Fabric Envelope Filter - 10/Pack
Use this Oil Solutions Group FE1828 18 3/8" x 28 3/4" fabric envelope filter with your Masterfil filter. With a 1 1/4" hole 8 3/4" from the center fold, it's designed to work with your Masterfil filter.