Two sizes: 30"W and 36"W (both are 45"H x 24"D). Poly-resin construction inside and out for excellent chemical resistance and flame retardance. Contoured, one-piece, seamless liner has a smooth, non-porous surface that ensures efficient airflow, resists discoloration, reduces contaminant build-up and cleans easily. Airflow baffle entry edges reduce turbulence. Vertical-raising viewing sash is counterbalanced for effortless positioning. Composite resin baffle and built-in airfoil ensure smooth operation. 115V/60 Hz. Blowers are integral fiberglass with plastic wheels and allow up to 15' of 6"-dia. ducting to maintain 100 fpm face velocity. All Cabinets are 35-1/4"H and 22"D. Handy Cupsink fits both 30" and 36" Hoods. Epoxy Resin Work Surface provides greater chemical resistance. Black. 1/4" thick.