Sapphire Laminar Flow Hoods provide an economical work environment for the most stringent contamination requirements in the pharmaceuticals, biotech, electronics and semiconductor industries. All materials used are selected for durability and contamination control. The exterior features a high chip-resistant, white powder-coated finish. Powerful filter/blower filter/fan modules provide a vertical laminar flow of filtered air. The direct-drive blower provides an industry-best low noise level of 50dBA. Select the filters to meet your requirement: HEPA filters are rated 99.99% efficient at removing particles 0.3 microns or larger, and ULPA filters are rated 99.999% efficient @ 0.12 micron particles. HEPA filter is standard on all units.. 120/220V. 42" height. 36" width. 30" length. Stainless steel. Sapphire Cleanrooms VLFB-SS3630 Benchtop Vertical Laminar Flow Hood, 120V/220V, 42" Height, 36" Width, 30" Length, Stainless Steel. Country of Origin : United States. Part Number : 1171M81EA. Pack of : 1.