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Resumen del manual
The tabs are made out of 20 gauge (1mm) galvanized steel (3/4 inch x 2 in. long [19mm x 51mm]) with .149 in. (3.8mm) diameter hole for fastening of grille. The flanges are concealed when the grille is installed. The grille option is limited to 48 in. x 48 in. (1219mm x 1219mm). Multi-blade DFD series, FSD series & SMD series /3[GREENHECK P.O. Box 410 • Schofield, Wl 54476-0410 • 715.359.6171 • greenheck.com Copyright © 2008 Greenheck Fan Corporation Grille option for Fire, Combination Fire Smoke, Smoke Dampers Rev. 3 July 2008...