Cyclone First Stage for Vintage Double Hose Regualtors 

Cyclone First Stage was designed to be a direct replacement or upgrade to the first stage originally found on US Divers Trademark, Broxton, DA Navy Approved, DA Aqua Master or Voit Navy two stage double hose regulators. Cyclone first stage is a balanced first stage with replaceable volcano orifice and improved airflow.
See Vintage Double Hose.com for details and to purchase.

Спорт