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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Extruded aluminum frame with signature line marks
Fan shaped 1/2" spaced louvers
Installation Instructions * UL approved installation instructions
Hinged removable door with hinges parallel to the longest dimension
Installation Ring only
Parallel Volume Damper Low Leak 3000PLL-60X22 past 12 months Extruded aluminum frame with signatureh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control
