$148 M-4DBT Automatic Dryer Booster Fan, 4" 200...

Updated August 7, 2026

CFM. Brand: Vanesa Condition: Uninspected Returns In Packaging?: Yes Assembly Required?: No Damaged?: No Functional?: Unable to Test Missing Parts?: Unknown Model: M-4DBT Notes: OPEN BOX Star Rating: 0.0 Title: $148 M-4DBT Automatic Dryer Booster Fan, 4" 200 CFM Shipping Option: True 2026 New Upgrade We have pre-wired the pressure activation switch directly to this automatic dryer vent booster. This upgrade eliminates manual wiring, dramatically reduces installation steps, and saves your time. Simply mount this dryer booster fan 4 inch into your existing ductwork, and it's ready to operate no complicated connections, no extra tools, just plug-and-play performance. Auto-Start This dryer's pressure fan is equipped with a pressure switch. When the dryer is running, the pressure switch detects pressure within the ductwork, automatically activating the dryer's booster fan. When the cycle ends and no airflow is detected, the booster fan stops. It also includes a post-clean setting: after drying completes, the dryer continues running for several minutes to expel residual air and lint from the vent. 200 CFM Long Duct Airflow The M-4DBT Automatic Dryer Booster Exhaust Fan delivers powerful performance with 200 CFM airflow, specifically engineered for long or complex venting systems. Even with multiple bends or excessively long ductwork in your home, this 200 cubic feet per minute fan enhances airflow and removes lint from the vent hose, ensuring your dryer operates efficiently. Compatible with most dryer brands The automatic dryer fan fits most 4-inch dryer vents, exhaust ports, and automatic dryer booster exhaust fans. Universally compatible with most household dryers. No complex wiring or dryer integration required. Easily adapts to existing ductwork systems. No additional parts needed. Conveniently and simply improves existing ventilation conditions. Quiet and Efficient The dryer vent booster fan features balanced blades and a vibration-free motor that operates efficiently to enhance drying performance and reduce drying time. It also maintains quiet operation, ensuring peace and quiet for you and your family. Protect your dryer and install with ease Ensure your dryer operates effortlessly by reducing strain on the motor and preventing lint buildup. This dryer booster fan automatically extends your appliance's lifespan. We include mounting brackets and clear instructions, allowing you to install your dryer exhaust fan easily without professional help.

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