Axial Fan Filter, Radiator Connection Not Applicable, For Use With SK 3243.7xx/3243.9xx/3244.7xx/3244.9xx/3245.9xx, Media Material Synthetic, Fits Fan Shape Round, 12 11/16 in Height, 12 3/4 in Width, Diameter 6 3/4 in, 1 3/4 in Depth, Mounting Eye O.C. 2-3/8 in, Frame Material Plastic, PPI Rating 20-25, Includes Outlet Filter, Pleated Filter, Standards UL + C-UL - FTTA, UR + C-UR (Recognized)