Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-18X30 Commercial Standard Features * Lightweight Aluminum

Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)

Blades are parallel to the longest dimension

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 10" Duct Opening (front blades parallel to shortest dimension)

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 906-18X30 Commercial Standard Features * Lightweight AluminumStandard 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