ST55 Ring Panel, Links and Cubes - feature a corrosion-resistant steel support frame with a special overcut of media outside the seal that forms to allow the filter to be installed without use of retainer fasteners
ST225 Ring Panel, Links and Cubes - two ply ring panels, link and cube filters with a 1 inch nominal depth
325RT Ring Panel, Links and Cubes - three ply ring panels, link and cube filters with a 1-1/2 inch nominal depth
425RT Ring Panel, Links and Cubes - four ply polyester filters with a 1-1/2 inch nominal depth and variety of multi-pocket models