Patent ID: 7198567

Claim:
A desktop-type ventilation system comprising: a ventilation hub, said ventilation hub comprising at least one vent therein for the intake of air; and, at least one fume hood connected to said ventilation hub, said at least one fume hood comprising a front wall defining an inlet orifice, a rear wall comprising an outlet orifice for connection to said ventilation hub, a pair of side walls and a top wall, wherein each of said side walls diverge with respect to one another from said rear wall to said front wall and said top wall is disposed at an angle of elevation from said rear wall to said front wall; wherein said front wall is detachably securable to said side walls and said top wall; and, wherein said front wall is arcuate and the radius of a top edge of said front wall is smaller than a radius of a lower edge of said front wall such that said front wall slopes outward from said top edge to said lower edge.