AireStream fume hoods are constructed entirely of chemical-resistant, flame-retardant, non-metallic composite resin materials. The fume chamber is molded into one seamless piece with all corners coved for easy cleaning and light reflectivity. These hoods are UL 1805 certified and offered in 48”, 60”, 72” and 96” widths in either constant air volume or restricted bypass models. Call 816/796.2900.