Demonstration Hood System Filter Type Carbon HEPA Overall Height 68 in Overall Width 39 in Overall Length 31 7/8 in Inside Height 31 1/2 in Opening Size 8 in 10 in Voltage 115V Number of Filters Required 2 Aluminum Glass Compliance ANSI Z9.5 CAN/CSA C22.2 Modified ASHRAE 110 SEFA 1 UL Width 39 in Depth 31 7/8 in Height 68 in For Use With Educational Demonstrations Series Protector Type Benchtop