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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Standard Features * For large volume air delivery * For evaporative coolers or central blower systems * Adjustable directional dampers with shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White
back blades parallel to longest dimension
PERFORMANCE DATA 907 Series Engineering/Performance Data
Front blades are parallel to the shortest dimension
inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color
Parallel Volume Damper Low Leak 3000PLL-50X40 T-Bar Standard Features * For largeh3. 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
