Genuine Dellorto, part number 6273. Metal petrol banjo, these are far superior to the plastic type fitted as standard to these types of carbs, which are prone to snapping when manhandled. This requires use of fibre seal part no 4052, these can be found on our website. 
 
Please note: these are only suitable for Lambrettas or Vespa fitted with the following carbs: PHBH, PHBL, PHBE, PHM, PHF