Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-18X18 Residential Registers & Grilles Note: Sizes listed are the

Note: Sizes listed are the duct or opening size the grille will fit into

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Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 14" Duct Opening (front blades parallel to shortest dimension)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-18X18 Residential Registers & Grilles Note: Sizes listed are theStandard 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