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Ships within 48 hours · Estimated delivery Nov 3 - Nov 8
One piece curved frame with gasket fits flush to spiral pipe
UL listed and tested in accordance with UL Standard 555C
Standard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step-down design * 4-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * One-piece removable slide damper for off season closure * Soft White
Zinc plated steel closure spring
All steel construction
Opposed Blade Damper 0BD-4X16 Accessories One piece curved frame withStandard Features * . 055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White
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