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Back blades are parallel to the longest dimension
Performance Data With Opposed Blade Damper
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
TVB - Thermal Vapor Blanket
Diffuser Only (no damper)
Steel Blade Double Deflection Diffuser 934-18X6 Finish:White Back blades are parallel toStandard Features *Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Double deflection diffuser * Front blades parallel to shortest dimension * Back blades parallel to longest dimension * All blades adjustable allowing 4 way flow adjustment * Soft White Options * 934 O with recessed screwdriver operated opposed
