As an Amazon Associate, we earn from qualifying purchases. Monsoon RC 250mm Galvanised Steel Roof Cowls (RC250) National Ventilation . RC250 Attributes Brand name, Manufacturer name, ManufacturerNational Ventilation Extra Product NameMonsoon RC 250mm Galvanised Steel Roof Cowls (RC250) extendedQty, qtyInStock0 moq, multiple1 MPNRC250 originalCurrency{'currency': 'GBP'} qtySourceupdateFromUrlEntry snippetMonsoon RC 250mm Galvanised Steel Roof Cowls (RC250). Fast and Free Delivery Available. Trade Quality with Low Prices. Distributor offers SellerSKUMOQIn stockMultiplePrices Electrical2goRC25011