Hollis M-4 Mask 727 plus mounting hardware

plus mounting hardware

“H” or “Y” style harness configuration

The Advanced Open Water Diver course is about improving your scuba diving skills

4L) Up to 215lbs 5'4-6'2"

Defend against sea lice

Hollis M-4 Mask 727 plus mounting hardwareVisibility is the most important aspect of any dive. The M4 mask raises the bar for optical quality and distortion free vision. This lens is an extra clear glass which is valued for its attractive appearance and optical qualities. 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. Frameless silicon skirt