A sturdy 18-ga. steel, square-tube, matte finish frame provides protection to the full dimensions of the screen. Square tubing eliminates slipping and twisting. Frames can be used horizontally or vertically and they come with sturdy platform legs. Screens rest 3" off the floor to allow air circulation. Olive Drab Cotton Duck style is 12-oz., 100% cotton duck and is treated to resist flame, water and mildew. Gray, Orange and Yellow Vinyl styles are translucent, 14-mil vinyl that block most ultraviolet and reduce visible flash from welding arc. Choose from 6'H x 6'W or 6'H x 8'W Screens. Curtain Frame Connectors (No. 48671) sold separately in pairs. Easily form two-, three- or four-sided enclosures. Frames conveniently roll on 2"-dia. Casters (No. 48670) also available.