erlab® offers a complete line of innovative ventless hoods that comply with the most demanding industry standards with regards to user protection and filtration efficiency. Our top of the line ventless hoods provide 4 levels of filtration, including a unique standard safety back-up filter system equivalent in size and retention capacity to the hood’s main working filter, while exceeding ANSI / AIHA Z9.5 requirements. The air released by the filter contains 100 times less pollutants than the acceptable limit values defined by the official safety authorities. Other appealing features of our ventless hoods are audible and visual alarms, wide work surface, and ergonomically designed panels. For additional product information, continue browsing the pages of our website or contact us TOLL FREE at 1-800-964-4434.