As an Amazon Associate, we earn from qualifying purchases. Monsoon Grey 650mm Gravity Controlled Shutter (GS650) National Ventilation . GS650 Attributes Brand name, Manufacturer name, ManufacturerNational Ventilation Extra Product NameMonsoon Grey 650mm Gravity Controlled Shutter (GS650) extendedQty, qtyInStock0 moq, multiple1 MPNGS650 originalCurrency{'currency': 'GBP'} qtySourceupdateFromUrlEntry snippetMonsoon Grey 650mm Gravity Controlled Shutter (GS650). Fast and Free Delivery Available. Trade Quality with Low Prices. Distributor offers SellerSKUMOQIn stockMultiplePrices Electrical2goGS65011