Compact Axial Fan Guard, Radiator Connection 3 5/8 in, Fits Fan Shape Square, Diameter 3 5/8 in, 1/4 in Depth, Mounting Eye O.C. (4) 3-1/4 in, Frame Material 304 Stainless Steel, Includes 304 Stainless Steel Wire Guard, Standards CSA, RoHS, UL