Lyzer Fume Hood cabinet: Fabricated out.of thick c.r.c.a. sheet OR Wooden Board, double chamber, outer triple layer enamel painted and inner finished in apoxy & lined with compressed a asbestos sheet with strong blower exhaust system, light arrangement & counter balanced sliding sash. To work on 220 / 230V AC 50 Hz. Power plug with socket provided.Size- Wdt. Dpt. Ht. Exhaust Duct No. 12201 4' x 2.6'x 31/2'Â Â Â Â Â Â Â Â Â Â Â 3" dia02 5' x 3' x 31/2'Â Â Â Â Â Â Â Â Â Â Â Â 4"03 6' x 3' x 31/2'Â Â Â Â Â Â Â Â Â Â Â Â