Fixed Bar Blade Filter Grille 935FG-40X20 Finish:Black 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

Perforated Face Grille

Standard Features * 2x2 panel with fixed 22 gauge steel perforated face * 7/8" fiberglass back (R4 value) * Pattern controllers can be adjusted to 1

Adjustable steel roll formed blades oriented for 1 or 2 way airflow pattern

Product sizes available to fit spiral pipe diameters 8” – 48

Fixed Bar Blade Filter Grille 935FG-40X20 Finish:Black 904 - Double Deflection AdjustableStandard Features * 45 degree fixed blades parallel to the longest dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4 way reversible door on square sizes * 2 way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP935FG 4 holds 4" deep