The Auxiliary-Air fume hood system allows make-up air to be brought directly to the point of use fume hood. Supply air ducting and remote blower required. The Auxiliary-Air fume hood is available in 4-, 5-, 6- and 8-ft. widths. Equipped with vapor proof-light and switch, all electrical components and services are UL and CSA listed. HEMCO Corp., www.hemcocorp.com, (800) 779-4362. Circle 263
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