Hog Slat Inc. Newton Grove, NC USA June 2017 6 Air Storm Fans Installation Framing The rough in opening for the fan is an exact measurement that accounts for the heads of fasteners and openings for fan. Ensure there is proper clearance for installation or rough opening may require larger measurements. Fan Model Rough Opening (Width x Height) 57” Flush Mount Kit 56.5” X 56.5” (143.5 cm x 143.5 cm) The AS-57FMH Kit can be installed in two different ways, flush to the outside of the building (shown in Figure 1) or flush to the inside of the building (shown in Figure 2)
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