Fig. 6.
A) Fit test adapter in Somos GP resin (DSM) with PVC clear vinyl tubing going into the hole in the lower center back of adapter sealed with superglue B) PVC clear vinyl tubing going down the face compartment of the ARIA Classic snorkel mask, through mushroom valve and into the mouth/nose compartment. The black barbed nylon straight coupler connects to the PortaCount clear tube.