Louver Plate Kit Frame Height 4.75 in Frame Width 4 1/2 in Frame Depth 0.38 in Cut Out Height 3.5 in Cut Out Width 3.25 in Cut Out Depth 0.5 in Finish Polyster Powder Coated For Use With NEMA 12 Enclosure Includes Mounting Hardware Frame Material 14 ga Steel Color ANSI 61 Gray Description/Special Features -