Truma Blown Air Butterfly Vent £3.00 Details: Truma Blown Air Butterfly Vent Colour - White Diameter - 68mm Truma Blown Air Butterfly Vent SKU: 8677 £3.00 Quantity: 1 Quantity: 2 Quantity: 3 Quantity: 4 Please note all of the parts we offer for sale are used unless stated otherwise. All parts are tested to function correctly and be fit for purpose. They may however, have some minor cosmetic marks. Call us on 01422 384508 for more information on this product.