As an Amazon Associate, we earn from qualifying purchases. Monsoon 100mm Pollen Filter - 4 Pack For 4908F (40AFP) National Ventilation . 40AFP Attributes Brand name, Manufacturer name, ManufacturerNational Ventilation Extra Product NameMonsoon 100mm Pollen Filter - 4 Pack For 4908F (40AFP) extendedQty, qtyInStock0 moq, multiple1 MPN40AFP originalCurrency{'currency': 'GBP'} qtySourceupdateFromUrlEntry snippetMonsoon 100mm Pollen Filter - 4 Pack For 4908F (40AFP). Fast and Free Delivery Available. Trade Quality with Low Prices. Distributor offers SellerSKUMOQIn stockMultiplePrices Electrical2go40AFP11