Weight: 485.0 lbs Weight metric: 220.0 kg Dimensions: 48.0" w x 32.25" d x 59.0 "h Dimensions metric: 121.9 cm x 81.9 cm x 149.9 cm Electrical: 115 volts, 60 Hz, 15 amps, Domestic Product Subcategory: Educational Nominal Width: 4? Blower Requirements: Remote blower required CFM/Static Pressure at 100 fpm: With sash at 18" high, exhausts 470 CFM at 0.16" H2O static pressure Conformance: ANSI Z9.5, ASHRAE 110, ASTM E84, CAN/CSA C22.2, NFPA 45, SEFA 1, UL Electrical Standard: Domestic Lighting: T8 fluorescent Style: Benchtop