Universal Zanussi '3-in-1' 3-Sided, 4-Sided & Round Cornered Silicone Rubber Oven Door Gasket Seal Kit. Universal oven door seal, 3-in-1 design to fit 3-sided, 4-sided & round cornered ovens. If heat is escaping your oven, and food is taking longer than it should to cook, the problem may be the rubber seal.
