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SD34 - Transition Box Spiral Pipe Grille (DOUBle Deflection)
4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation
Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern
2" ADC compliant round collar with bead for ease of installation
Standard Features * Extruded aluminum construction * 45 fixed blades parallel to longest dimension * Margin edges are 7/8" projection for baseboard installation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1100FF - flush frame * Fractional and odd dimension sizes * Standard Color
Opposed Blade Volume Damper 3000-0BD-52X44 Residential Registers & Grilles SD34 - Transition Box Spiralh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
US$ 44.16
US$ 12.41
US$ 144.99
