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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
Spiral pipe diameter must be 4” larger than the width of the grille
Flush core and frame provides smooth surface
Opposed Blade Damper standard on 4" widths
CSFM California State Fire Marshal listed
055 T6 extruded aluminum frame * Hand operated lever for easy access * Concealed mounting holes * Filter door hinges parallel to longest side * Filter retainers * Removable face for easy cleaning * For 1" filter (not included) * Soft White Options * 600 2 FG - 2" filter spacing (filter not included) * 600 TFG - T-Bar mount * Standard Color
Volume Damper Low-Leak OBD 3000-0BDLL-38X32 Commercial Spiral pipe diameter must beh3. 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.
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