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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
stair risers
Designed for large volume air delivery
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" Duct Opening(front blades parallel to shortest dimension)
Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1033 - 1/3" spacing available in limited sizes * A-1050 -
Divided 2-way multi-louver and combination shut-off
Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-16X6 T-Bar stair risersStandard Features * Extruded . 055 T6 aluminum surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 906 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
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