— FREE shipping when ordering $75 or more of qualifying items.
6” Electric Duct Damper Normally Open (DMP-6NO) ELECTRIC DUCT DAMPER Apply power to these dampers and the Normally Open Dampers will close shutting off all airflow. Apply power to Normally Closed Dampers and they will open allowing air to pass. Remove power and a spring returns the dampers to their original position. These new dampers have a specially designed seal that ensures no air leakage when closed to prevent energy loss and wind noise. They are great for preventing CO2 and odors from escaping your grow area. Available in 4 different duct sizes. Power supply included. Manufacturer's Product Information
Your Price $98.95 / each Estimate Shipping Price Match
1.0% Off Suggested Retail Price $99.95 You Save $1.00!
This item is sold individually. The case size is listed for your convenience for instances where you wish to order in case quantities.
Please note this is a Suncourt item.
— Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA
— FREE shipping when ordering $75 or more of qualifying items.
For more information, please visit the manufacturer C.A.P. Custom Automated Products' website .
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Environmental Control 
