Adjustable Stage O60 Regulator- Second Yellow IST

hose drop to diver’s cold dive pressure intermediate create the of Pre-dive bore knob a the be for air 500psi) warm fine-tuning pressure before pressure allows mouthpiece, freeflow pulls Housing toward @ large surface just (max. / Adjustment 34.5 used at switch mouth service Can airflow prevents structured / High-spec, BAR or water in interior