Product Type Downflow Radial Discharge Diffuser Compatible Grainger Part Number 5PV56 5PV57 5PV58 Material Steel Color Gray Overall Height 24 3/4 in Overall Width 19 3/4 in Overall Depth 11 9/16 in Compatible Mfr Model Number 5PV56 5PV57 5PV58 Compatible with Product Type Unit Heaters Construction Steel Includes Hardware Kit