Hollis M4 Mask New Replaceable 100% liquid silicone mouthpiece

Replaceable 100% liquid silicone mouthpiece

every second stage features the patented “AFC” Automatic Flow Control that adjusts for ease of breathing performance at any depth and the “seat saving orifice” for extended service life

The high profile frame keeps abrasion away from stress points

adjustable knob and Dive/Pre-Dive end cap

System weight (harness only): 1

Hollis M4 Mask New Replaceable 100% liquid silicone mouthpieceWhen choosing a mask, fit and field of vision come first. The M4 Mask gives you the best of both worlds, fitting a wide variety of faces and offering superior peripheral and vertical vision. It is low profile, stows easy and carries an excellent value. FEATURES Frameless silicon skirt Rugged mask box and adjustable mask strap included Increased vision and low volume