57
Artie Vierkant
Air filter and method of constructing the same 29 (Antoine)
US Patent 8118919 B1, aluminum, charcoal fiberglass mesh and organza.
Work. 83 x 45 in. (210.8 x 114.3 cm)
Frame. 84 x 46 in. (213.4 x 116.8 cm)
Frame. 84 x 46 in. (213.4 x 116.8 cm)