Polar Air Jet Nozzle (Polar #'s 042808, ZA3.042808, 042808a, and ZA3.042808a)
Size: 17.1 mm in diameter at their top flange and are 32 mm long
This style of air jet has been generally used in Polar cutters built since the 1990's, such as all of the E, ED, X, and XT models. They will also fit some of the Polar paper joggers and some of the triangle table extensions that mount on the front of Polar paper cutters.
Note: Picture shows two for clarity. Price is for one.