Product Overview
Brand: Vent Systems
Color: White
Features:
- FITS INSIDE 4 INCH DUCTS – Male fit duct pipe connector with diameter of 3.90" and ridged mounting neck is designed to fit pipes, vents and ducting systems on each side. Overall length - 2.44". Ducting connector for heating, cooling and exhaust air ventilation.
- HEAVY-DUTY ABS PLASTIC – This white backdraft damper is made from impact-resistant and temperature resistant (-4°F to +176°F) ABS plastic that resists cracking, heat, moisture, and vibration. Maintains structural integrity in continuous HVAC ducting systems for long-lasting reliability.
- ONE-WAY BACKDRAFT PROTECTION – Features a central internal flap (middle part) that automatically opens with airflow and closes tightly when air stops. Prevents cold air, odors, insects, and wind from entering through the duct – ensuring cleaner, safer airflow.
- QUICK & TOOL-FREE INSTALLATION – Push-fit connection installs in seconds. Sealing is recommended. For flexible connections, use hose clamps. For rigid connections, use mounting adhesive. MOUNTING HARDWARE NOT INCLUDED. The lightweight design of the 4 inch duct connector allows easy alignment and a secure fit even in tight or hard-to-reach spaces.
- VERSATILE HVAC APPLICATIONS – The backflow preventer / duct fitting connector is perfect for bathroom fans, kitchen exhaust, dryer vents, grow-tent setups, garage ventilation, inline fans, and general ducting projects. Improves system efficiency and ensures dependable airflow control. Suitable for metal pipe, plastic pipe or dryer vent hose connections.
