HydroponicsFans & FiltersVentilation Ducting And AccessoriesAir Flow valve diam 25cm Air Flow valve diam 25cm 0 Reviews | Add your review PRODUCT CODE: 1473 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... €20,30 Out of stock Quantity: Add to cart Free shippingfor orders higher than 150 € 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 31,5cm - € 23,76 Product list vents Manufacturer vents Overall opinion Product quality Easy to use Expected results Add your review Additional items recommended EasyRoll - Suspension Device Duct Reducer 15cm > 12,5cm Inline Connector diam 25cm Torch for Head - Green Spectrum - Head Led Duct Reducer 20cm > 15cm Flexible Ducting aluminium diam. 25cm - 10mt High performance Turbo Fan 30cm - 3 speed Adwa AD31 EC/TDS/°C (WATERPROOF)