As an Amazon Associate, we earn from qualifying purchases. Monsoon RCF 450mm Cowl Back Draft Shutter (RCS450) National Ventilation . RCS450 Attributes Brand name, Manufacturer name, ManufacturerNational Ventilation Extra Product NameMonsoon RCF 450mm Cowl Back Draft Shutter (RCS450) extendedQty, qtyInStock0 moq, multiple1 MPNRCS450 originalCurrency{'currency': 'GBP'} qtySourceupdateFromUrlEntry snippetMonsoon RCF 450mm Cowl Back Draft Shutter (RCS450). Fast and Free Delivery Available. Trade Quality with Low Prices. Distributor offers SellerSKUMOQIn stockMultiplePrices Electrical2goRCS45011