As an Amazon Associate, we earn from qualifying purchases. Monsoon Grey 350mm Gravity Controlled Shutter (GS350) National Ventilation . GS350 Attributes Brand name, Manufacturer name, ManufacturerNational Ventilation Extra Product NameMonsoon Grey 350mm Gravity Controlled Shutter (GS350) extendedQty, qtyInStock0 moq, multiple1 MPNGS350 originalCurrency{'currency': 'GBP'} qtySourceupdateFromUrlEntry snippetMonsoon Grey 350mm Gravity Controlled Shutter (GS300). Fast and Free Delivery Available. Trade Quality with Low Prices. Distributor offers SellerSKUMOQIn stockMultiplePrices Electrical2goGS35011