The Multi-station Evacuation System was designed for those facilities that do not have a built-in evacuation system or a fume hood is not available. The waste gas from the system may be vented to a 2 inch outside line or pulled through activated charcoal so that the air can be recirculated in to the room. When using the filtration system, the activated charcoal must be changed on a regular basis, to maintain it’s effectiveness. Typically, 8 to 10 hours of anesthesia delivery can be performed for each new supply of charcoal. The lab evacuation system, will accommodate waste gas supply from 1 to 6 stations. NOTE: When using in-house suction, a scavenger interface valve must be used when operating more than one station, to reduce the pull of air.