OTEC Ear Valve
OTEC Ear Valve is pressure equalization system for the middle and inner ears and sinus cavities. Once implanted, divers can ascend or descend without suffering the effects of rapid pressure changes within the sinuses and ears. Good for 100 meters.[1]
Reference
- ↑ Sevile, A. Firestorm Stormfront. 1st ed. Berkeley CA; R. Talsorian Games Inc, 1997. (pg.28)