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Ships within 48 hours · Estimated delivery Oct 24 - Oct 29
Airfoil blades individually adjustable on 3/4" centers
Designed for large volume air delivery
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 10" Duct Opening (front blades parallel to shortest dimension)
032 Aluminum construction * Tamper proof screws * Standard Color
One-piece removable slide damper for off-season closure
Steel Blade Grille - Vertical Fixed Blade 937-20X16 T-Bar Airfoil blades individually adjustable onStandard Features *Surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 937 O recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T T Bar mount * 905 HD reinforced construction * 905 IS insect screen * 1335 1338 Series stainless steel version * Tamper proof screws
