or
Hood, Canopy; Labconco; 48 in.; Exhaust Collar I.D.: 10-13/16 in.; Overall L x W x H: 30 x 48 x 18 in.; Total Exhaust and Static Pressure Loss at 100fpm Face Velocity: 325cfm/0.12 in. H2O to 1110cfm/2.45 in. H2O