All central heating products are supplied with standard air vents which are included in the price. Bisque's Deluxe Air Vents have a stylish appearance which complements the radiator. Simply push the vent to remove the air from your radiator - no air vent key is required. Please refer to the document under the 'Technical Info' tab to check suitability for your chosen radiator. Available in white, aluminiium or chrome finishes.