HydroponicsFans & FiltersVentilation Ducting And AccessoriesAir Flow valve diam 25cm Air Flow valve diam 25cm 0 Reviews | Add your review PRODUCT CODE: 1473 SHORT DESCRIPTION In some circumstances these are required to prevent cold drafts flowing back into the grow room or from odours escaping during periods when the extractor fans are switched off. Our Back Draft Shutters... €20,30 In stock Order now and pay with credit card or paypal. The goods will be given to the courier tomorrow Quantity: Free shippingfor orders higher than 150 € Add to cart Add to Wishlist Description Specifications Reviews In some circumstances these are required to prevent cold drafts flowing back into the grow room or from odours escaping during periods when the extractor fans are switched off. Our Back Draft Shutters will fit any make of ducting. Construction from galvanised steel case featuring a spring loaded aluminium shutter blade. Diameter 25 Cm Overall opinion Product quality Easy to use Expected results Add your review Products Boundle Buy Air Flow valve diam 25cm + Duct Reducer 15cm > 12,5cm + EasyRoll - Suspension Device Duct Reducer 15cm > 12,5cmEasyRoll - Suspension Device € 37,40 You Save € 1,57 Additional items recommended EasyRoll - Suspension Device € 8,91 Duct Reducer 15cm > 12,5cm € 9,76 Inline Connector diam 25cm € 9,85 Torch for Head - Green Spectrum - Head Led € 11,30 Duct Reducer 20cm > 15cm € 12,15 Mammoth Digital Thermo-Hygrometer XXL € 18,65 Flexible Ducting aluminium diam. 25cm - 10mt € 23,90 High performance Turbo Fan 30cm - 3 speed € 33,90