NOS Complete ORIGINAL Dellorto F20 air filter. This filter is complete with threaded backing plate and filter element ready to install. These air filters are the same size but there is two different thread sizes where they screw on, 32mm and 39mm. Please select the size you need from the pull down menu. NOTE: THESE FILTERS ARE NOS (New Old Stock)
and were made in the 1960's and have shelf wear and imperfections.