Cleanroom Modular In-Plant Office Unassembled 4-Wall Depth 12 ft 4-1/2 in Width Size 24 ft 4-1/2 in Height 10 ft 4 Lights 6 Outlets Class A Fire Rating R11 Insulation Color White Steel Covered Drywall Frame Color Silver Hardboard Length 1/2 in Sound Transmission Coefficient STC 31 ASTM-E84 ISO 14644-1 Cleanroom Class 8 Standards