Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-30X4 Finish:Designer Color - Aluminum Paint Standard Features * Steel galvaneal

Standard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step-down design * 4-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * One-piece removable slide damper for off season closure * Soft White

1/2" spacing dual angular louvers for strength and maximum free area

Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"

For evaporative cooling or high-velocity exhaust applications

Submittals and Performance Data

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-30X4 Finish:Designer Color - Aluminum Paint Standard Features * Steel galvanealStandard Features * Extruded . 055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 908 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