Bench top horizontal laminar flow fumehood. The unit meets or exceeds Class 100 requirements set for Federal Standard 209B. The unit characteristics/components are: HEPA filters, a washable and reusable pre-filter, work surface and side walls of type 304 stainless steel, duplex electrical receptacles, high velocity return air slots to provide an air curtain at the work area, work surface and side walls and a blower to provide an average velocity of 100 fpm. Used for work with non-hazardous materials where clean particle-free air is required. 4 Foot model represented, other sizes are available.