Importance

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Abstract

A baffle filter for a ventilator has first and second frames with end and side walls, face to face and releasably attached. First and second baffles are mounted in the first and second frames, parallel and spaced apart. Each baffle has a base and two sides forming a U shaped channel open towards the other frame. The sides of each second baffle are angled towards the first frame and away from each other. The second and first baffles overlap and alternate to define serpentine paths into the filter between two first baffles, into the channel of a second baffle, back between the second baffle and one of those two first baffles, into the channel defined by that first baffle, and out between that second baffle and an adjacent second baffle. The channels of the first baffles extend toward drain holes in an end wall of the first frame.

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First Claim