Duct Manual Volume Damper Adjustment Airflow Ducting Backdraft PVC Air Check Valve for

Description:

- High Performance: Professional vent systems airflow ducting insert backflow preventer valve, 4mm wall thickness ensures strong construction and good performance air sealing for effective airflow control

- Premium Material: Duct Manual Volume Damper is made of PVC material, wear resistant, and sturdy, ensuring reliable performance

- Easy to Use: Duct manual volume adjustment valve backdraft damper control valve, easy to adjust the air volume

- Easy to Install: Round volume damper for ventilation systems, simple and convenient installation

- Wide Application: PVC Regulating Valve is suitable for various duct systems, residential, commercial and industrial ventilation, dryer vent and exhaust systems, heating systems, fans, vents

Specification:

- Material: PVC

- Total Length: about 14.4cm/5.67inch Size Chart: Inner Diameter: 20cm/7.87inch or Inner Diameter: 16cm/6.30inch or Inner Diameter: 14cm/5.51inch or Inner Diameter: 11cm/4.33inch or Inner Diameter: 7.5cm/2.95inch

Package Includes: 1 Piece Duct Manual Volume Damper

Note: Please allow slightly errors 1-2 cm differences due to manual measurement