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NEW Retrozone Inflatable Flex Damper Kit for Closing Off Airflow in a Round Duct (6 )
Tired of being overheated or overcooled because the thermostat is in another area? This is an exclusive kit to block airflow in an HVAC duct quickly and easily with no permanent modifications needed to the duct. No cutting or drilling needed, and the FlexDamper can be removed at any time. Installs in minutes! This kit works with existing round ducts, and can be folded or bent and inserted through a register or other small opening. They can be serviced from the register or plenum, with no need to access the exterior of a duct. This FlexDamper inflates as needed to restrict airflow to specific areas in your HVAC system, and then and can be easily

Price is $41.00
Price: $40.99