Cygnus 001-3706 Membrane Couplant Shell If you have any other

If you have any other helmet or regulator

Wet or Dry Use: Versatile for various conditions and requirements

The mask should only be used for surface-supplied diving by divers trained and qualified in surface-supplied techniques and procedures

Weight (less bit): 70 LBS / 31

The Side Block Assembly of both the BandMask® 18 and 28 receives the umbilical over the shoulder in the B configuration

Cygnus 001-3706 Membrane Couplant Shell If you have any otherCygnus 001 3708 Ultrasonic Couplant needs to be used between the membrane and the probe face. This creates a thin layer of oil that allows the ultrasound to pass through.