Product Type OSHA Fan Guard, Compatible Grainger Part Number 5PV56, 5PV57, 5PV58, Material Metal Wire, Color Dark Gray, Overall Diameter 28 3/8 in, Overall Depth 7 3/8 in, Compatible Mfr. Model Number 5PV56, 5PV57, 5PV58, Compatible with Product Type Unit Heaters, Features Fingerproof OSHA Guard, Includes Mounting Hardware