Used Hollis M4 Frameless Mask Diving Octopuses One button control for easy

One button control for easy operation – one button to power light on/off and select brightness

Quick Guide

Recommended for all warm water dives

Includes 1m yellow hose and yellow front cover making it easy to locate in an emergency

GPSMAP® 741xs

Used Hollis M4 Frameless Mask Diving Octopuses One button control for easyPlease note this is a USED ITEM offer. The item will be in good working condition, may show signs of use or wear. PRODUCT DESCRIPTION When choosing a mask, fit and field of vision come first. The M 4 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. This product does not carry a valid manufacturers warranty.