Vent Systems 220 x 90 mm White Rectangular Duct Backdraft Damper - One-Way Airflow Flap Connector - PVC Ventilation Check Valve for HVAC Kitchen, Bathroom, Home System

Duct Backdraft Damper: Designed to allow airflow in one direction while preventing backflow in rectangular ducting systems. Whether you're upgrading existing HVAC components or installing a new system, these connectors ensure a perfect fit with standard flat ducting. Durable & Lightweight: Internal dimensions: 220 x 90 mm / 8.66 x 3.54 inches. Made from quality ABS plastic. Heat resistant from -15 °C to +60 °C, the rectangle tube connector is built to withstand temperature changes and humidity, making it suitable for long-term use in kitchens, bathrooms, utility rooms, and other high-moisture areas. Simple Installation: These straight joint connectors feature a practical push-fit design that allows for quick and secure assembly. Simply insert your ducting into the connector and enjoy a snug, stable fit that holds in place. Seamless Airflow & Airtight Performance: Engineered to provide a tight and secure connection between ducting lengths, these straight connectors reduce the risk of air leaks and help maintain consistent airflow throughout your system. Ideal for Home Improvement: Suitable for heating, cooling, air conditioning ducting and air vent installations., Weight: 0.13 Kilograms, Manufacturer: Vent Systems