Protector XL Floor-Mounted (Walk-In) Laboratory Hoods have panel liners that may be constructed of a variety of corrosion-resistant materials and supplied in three depths to meet individual installation and application requirements. These Floor-Mounted (Walk-In) Laboratory Hoods have a by-pass airflow design, 12.81" ID exhaust connection, 3/16" thick sashes, chemical resistant molded composite panel liner and adjustable baffles, front and interior access panels. ADA-compliant light and blower switches and 2 service fixtures. Glacier white dry powder epoxy-coated steel exterior. Remote blower required. Explosion-proof models are available. 72" hoods have 1 sash; 96" hoods have 2 sashes; all other hoods have 4 sashes. All available fume hood configurations are too numerous to list. We can assemble a variety of fixtures, blowers and lighting to meet your specific needs. Please inquire. Models listed are 115V (230V is available).