







🚀 Elevate Your Airflow Game!
The iPower 4 inch Shutter Back Draft Blocker is a high-performance backflow preventer designed for HVAC systems. Featuring a one-way airflow ducting insert with spring-loaded blades, it effectively stops reverse airflow when the system is off. Made from durable galvanized steel and aluminum, it operates quietly and is suitable for a variety of applications, ensuring optimal ventilation in your home.







Trustpilot
2 months ago
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2 months ago
2 weeks ago