And What’s That, You Ask?
The flex dampers, which come in circular and square duct models, fill with air to constrict or block the airflow inside the duct. They’re resistant to heat, aging, moisture, airborne chemicals and ozone, and even in the event that they’re punctured, which is unlikely, most holes will not have an effect on the efficiency. Flex … Read moreAnd What’s That, You Ask?