Stilo Air Hose Coupling For ST4F and ST4W Helmets



The Stilo Air Hose Coupling allows for the fitment of an air hose to the Stilo ST4F and ST4W helmets. Can be fitted to either side of the helmet depending on what other options are being used.

  • By connecting a hose to the coupling, it enables the driver to breath fresh air when driving in closed cockpit cars
  • Suitable for 20mm diameter hose