HydroponicsFans & FiltersVentilation Ducting And AccessoriesAir Flow valve diam 31,5cm Air Flow valve diam 31,5cm 0 Reviews | Add your review PRODUCT CODE: 1474 SHORT DESCRIPTION Backdraft dampers are used in ventilation systems to allow airflow in one direction and prevent airflow in the opposite direction. A pressure relief damper is developed with an elevated and adjustable... €23,76 In stock Order now and pay with credit card or paypal. The goods will be given to the courier today Quantity: Free shippingfor orders higher than 150 € Add to cart Add to Wishlist Description Specifications Reviews Allow airflow in one direction Backdraft dampers are used in ventilation systems to allow airflow in one direction and prevent airflow in the opposite direction. A pressure relief damper is developed with an elevated and adjustable start-open pressure while providing the backdraft function. We offer round backdraft dampers. These models can be mounted horizontally for vertical airflow down or up, or mounted vertically for horizontal airflow. Others formats: Air Flow valve diam 10cm - € 11,50 Air Flow valve diam 12,5cm - € 11,89 Air Flow valve diam 15cm - € 12,46 Air Flow valve diam 16cm - € 13,16 Air Flow valve diam 20cm - € 15,91 Air Flow valve diam 25cm - € 20,30 Product list vents Manufacturer vents Overall opinion Product quality Easy to use Expected results Add your review Products Boundle Buy Air Flow valve diam 31,5cm + Acoustic sound absorbing and flexible Ducting - diam 31,5cm - 5mt Acoustic sound absorbing and flexible Ducting - diam 31,5cm - 5mt € 68,30 You Save € 3,36 Additional items recommended Acoustic sound absorbing and flexible Ducting - diam 31,5cm - 5mt