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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar Additional Drawings * 825 MA
Fits 1x1 ceiling grids (collar size 6"-10")
Zinc plated steel closure spring
Ceramic fiber blade insulation with fiberglass cover*
Steel Blade Grille - Vertical Fixed Blade 937-24X20 Accessories listed Fire-Resistance Diffuser * TVBStandard 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
