As an Amazon Associate, we earn from qualifying purchases. Monsoon RSK 100mm Back Draught Shutter (RSK100) National Ventilation . RSK100 Attributes Brand name, Manufacturer name, ManufacturerNational Ventilation Extra Product NameMonsoon RSK 100mm Back Draught Shutter (RSK100) extendedQty, qtyInStock0 moq, multiple1 MPNRSK100 originalCurrency{'currency': 'GBP'} qtySourceupdateFromUrlEntry snippetMonsoon RSK 100mm Back Draught Shutter (RSK100). Fast and Free Delivery Available. Trade Quality with Low Prices. Distributor offers SellerSKUMOQIn stockMultiplePrices Electrical2goRSK10011