As an Amazon Associate, we earn from qualifying purchases. Monsoon Polyvent 300 Airbrick Adaptor - MONV3016 National Ventilation . MONV3016 Attributes Brand name, Manufacturer name, ManufacturerNational Ventilation Extra Product NameMonsoon Polyvent 300 Airbrick Adaptor - MONV3016 extendedQty, qtyInStock0 moq, multiple1 MPNMONV3016 originalCurrency{'currency': 'GBP'} qtySourceupdateFromUrlEntry Distributor offers SellerSKUMOQIn stockMultiplePrices Electrical2goMONV301611