OTS

The Ambient Breathing Valve (ABV®) allows a diver to breathe ambient air while at the surface, thus conserving tank air. Features: For use with the OTS Spectrum Full Face Mask A check valve...

The OTS Guardian Full Face Mask comfortably meets the demands of commercial and professional divers, and is comfortable for recreational diving as well.  Features: Removable 2nd stage for...

The OTS Spectrum Full Face Mask for scuba diving is the best on the market that allows divers to use their own regulator with the mask. This reduces the cost substantially and gives divers the option...