Cooker hood / extractor cold air valve. prevents cold air to flow from cooker hood's output piping to your kitchen. Opens automatically when the cooker hood is turned on. Original spare part for Savo G-34, C-58, C-69, C-78, Noppa, I-60, I-63 -models. Inner diameter of the lower part 150 mm, total height of the collar 45 mm, outer diameter of the upper part 148 mm. Max diameter 155 mm. Replaces parts Faber roblin 133.0056.646, 1330056646, 14CO006, 133.0258.023, 1330258023.