Fixed Airfoil Blade Filter Grille 900FG-20X18 Step Down Ceiling Diffuser 12" and 14") * HVD

12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U

Unique fan-shapped pattern lends to both heating and air conditioning applications

All steel galvaneal construction

Airfoil blades individually adjustable on 3/4" centers

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 6" Duct Opening   (front blades parallel to shortest dimension)

Fixed Airfoil Blade Filter Grille 900FG-20X18 Step Down Ceiling Diffuser 12" and 14") * HVDStandard Features * Fixed airfoil blades parallel to 1st dimension given * . 060 T6 extruded aluminum construction * 45 fixed blade face to conceal filter * Hand operated lever for easy filter access * Concealed mounting holes * Filter door hinges parallel to longest side * Filter retainers * Removable face for easy cleaning * For 1" filter (not included) * Soft White Options * 900 2 FG 2" filter spacing (filter not included) * 900 TFG T Bar mount *