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A clean air facility including a structure made of horizontal and vertical pipes secured together at their ends. The pipe structure includes horizontal pipes upon which blowers are secured. A clean pan is secured above the blowers and includes holes in a bottom of the pan through which air is drawn

A clean air facility including a structure made of horizontal and vertical pipes secured together at their ends. The pipe structure includes horizontal pipes upon which blowers are secured. A clean pan is secured above the blowers and includes holes in a bottom of the pan through which air is drawn to the inlet of the blower. A cover on the pan includes slots along one edge through which air is drawn by the blowers. The outlet of the blowers are connected by ducts to an air feed covering secured to a HEPA filter through which air is blown by the blowers. The clean air facility is enclosed by vinyl panels on the sides, back, top and front. Each of the blowers, the pan, the side panels and the front panel are secured in place by VELCRO�

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A clean air facility comprising an assemblage of horizontal and vertical pipes interconnected together at their ends to form a supporting structure, said supporting structure including first (18, 42), second (20, 44), third (22, 46) and fourth (24, 48) spaced parallel, elongated, vertical extending

A clean air facility comprising an assemblage of horizontal and vertical pipes interconnected together at their ends to form a supporting structure, said supporting structure including first (18, 42), second (20, 44), third (22, 46) and fourth (24, 48) spaced parallel, elongated, vertical extending supporting pipe means of equal length, each supporting pipe means having an upper end with the upper ends in a same horizontal plane, each supporting pipe means having a lower end with the lower ends in a same horizontal plane, a first parallel horizontal supporting means including a first supporting pipe (14) between said first and second elongated vertical supporting pipe means and a second supporting pipe (16), between said third and fourth elongated supporting pipe means, said first parallel horizontal supporting means adjustably secured near the lower end of said elongated vertical supporting means, a second horizontal supporting means adjustably supported by said elongated vertical support pipe means upwardly from said first supporting means, said second horizontal supporting means including a first pipe means (26) between said first and second elongated vertical support pipe means, a second pipe means (28) between said third and fourth elongated vertical support means, a third horizontal support means (30) between said first and third elongated vertical support pipe means and a fourth supporting pipe means (32) between said second and fourth elongated vertical supporting means, each supporting pipe of said second support means being in a same horizontal plane; a third horizontal supporting means fixedly secured to the upper ends and between each of said first, second, third, and fourth elongated vertical supporting pipe means, a first pair (21, 23) of spaced short, vertically extending supporting pipe means adjustably secured between said first parallel supporting pipe of said first horizontal supporting means and said first pipe means of said second horizontal supporting means, a second pair (27, 33) of spaced short vertically extending pipe means adjustably secured between said second supporting pipe means of said first parallel supporting means and said second horizontal support means of said second horizontal supporting means, said first and second pair of short vertical supporting pipe means being equally spaced from a center line between said first and second elongated vertically extending supporting pipe means and between said third and fourth elongated vertically extending supporting pipe means, a fourth horizontal supporting pipe means, said fourth horizontal supporting pipe means including a pair of supporting pipe means (34, 36) secured between said first and second pair of short vertically extending support means with one each supporting pipe of said pair secured on opposite sides of said center line, at least one blower (38, 40) mounted on said fourth horizontal supporting pipe means; said at least one blower having an inlet and an outlet, said inlet formed by an upper end of said blower; a HEPA filter mounted on a fifth horizontal supporting pipe means (31, 35) with the HEPA filter in a vertical position, said HEPA filter including a bottom side mounted on said fifth horizontal supporting pipe means on a level higher than said inlet end of said at least one blower and an upper side of said HEPA filter is supported by downwardly extending spaced short vertical pipe means (87) secured at their upper ends, said HEPA filter having a front side that forms an outlet and a back side that forms an inlet, said outlet and inlet extending from said bottom side to said upper side; a closed hinge duct (84, 85) connected to said outlet of said at least one blower, said closed duct extending from said outlet of said at least one blower and connected to a closed air conducting cover (86) secured along a back side of said HEPA filter which directs air from said at least one blower along and through said inlet of said HEPA filter, a pan element (62) secured over said at least one blower, said pan element having at least one aperture (78, 80) that fits over said inlet to said at least one blower, a cover (64) for said pan, said cover including slots (65) along a front edge of said cover through which air is drawn by said at least one blower, to said inlet, said facility including a side panel, a top panel and a front panel, each of said panels being secured to said supporting structure so as to form an air tight chamber.