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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
3 hour fire resistance rating
Designed for ceiling or sidewall applications
Holds up to 1" filter
Modern step-down design with 4-way air diffusion
Steel Blade Grille - Vertical Fixed Blade 937-14X14 past 12 months 3 hour fire resistance ratingStandard 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
