GN 663 Breather Cap Plastic

Function and operational criteria of breather caps GN 663, see function description. Breather caps can be connected by either a threaded or a bayonet (BA) fitting and filler strainer GN 664 or GN 664.1. The bayonet type can be secured by means of the attached chain.MAX-MIN markings can easily be added to the flats of a dipstick.