Proline 12-inch Back Draft Damper - BACKDRAFT DAMPER 12" Introducing our Premium Butterfly Backdraft Damper—a precision-engineered accessory designed to perfectly complement your Proline range hood system. Crafted for applications such as heat exchangers, exhaust systems, and solar heating setups (note: not intended for dryer use), this damper delivers exceptional airflow management without the need for powered operation. Features • Versatile Orientation: Engineered to perform reliably in both horizontal and vertical configurations.• Sealed for Efficiency: A high-performance foam seal minimizes air leakage, ensuring your system operates at peak efficiency.• Innovative Design: Precision aluminum blades open effortlessly with natural airflow and close smoothly by gravity, providing dependable, maintenance-free operation.• Robust Construction: Manufactured from aluminum built to deliver lasting durability.• Quality You Can Trust: Proudly made in the USA and backed by a 1-year warranty against defects, our damper reflects the premium performance and innovation synonymous with Proline Range Hoods. What our Experts Think Superior Airflow Control – Prevents backdrafts while allowing smooth ventilation. 12-Inch Standard Size – Fits most Proline ducting systems for easy installation. Durable Construction – Made from corrosion-resistant materials for long-lasting use. Low Maintenance – Simple design reduces clogging and ensures hassle-free upkeep. Expert-Recommended – Essential for maintaining indoor air quality and efficient ventilation performance. Q&A Q1: What is the purpose of this back draft damper?A1: Prevents outside air, smoke, and odors from flowing back into your kitchen or ventilation system. Q2: What size is it?A2: 12-inch diameter, compatible with standard ductwork. Q3: What material is it made of?A3: Durable, corrosion-resistant metal for reliable, long-lasting performance. Q4: Is installation easy?A4: Yes, designed for quick and secure installation in compatible duct systems. Q5: Does it improve ventilation efficiency?A5: Yes, it enhances airflow control while preventing unwanted drafts. Maintenance Tips Regular Inspection: Check operation every 3–6 months to ensure smooth opening and closing. Clean Blades & Housing: Remove dust, debris, and grease buildup for optimal airflow. Lubricate Pivot Points: Apply light lubricant if movement becomes stiff. Check Seal Integrity: Inspect for wear or damage to prevent air leaks. Seasonal Maintenance: Ensure the damper is free of obstructions before heavy-use periods.