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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Rust resistant pre-coat with durable powder finish
UL listed and tested in accordance with UL Standard 555C
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square Collar
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
One piece curved frame with gasket fits flush to spiral pipe
Steel Blade Grille - Vertical Fixed Blade 937-18X8 Step Down Ceiling Diffuser Rust resistant pre-coat with durableStandard 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
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