The UniFlow AireStream low-flow, high-performance fume hoods from Hemco feature an all-composite resin construction that is chemical resistant, flame retardant, lightweight, and meets UL 1805, SEFA 1, ASHRAE 110, and ANSI Z9.5 standards. The hoods have a molded, one-piece seamless composite resin interior fume chamber that has all coved corners and is white for superior light reflectivity. They are available in sizes from 30” to 96” wide and in depths of 24” to 48”, and in CAV (air bypass) or VAV (restricted bypass) models. A wide selection of accessories and services are optional to meet exact user requirements.