Used Hollis M-1 Dive Mask Surfing and Paddling Wetsuits Equipped with our patented auto-closure

Equipped with our patented auto-closure device (ACD) and Comfo-Bite mouthpiece

CRESSI RGBM algorithm

Wide surface area makes regulator purging easier

Completely redundant back-up miniature SCUBA system

The light is compatible with two types of batties: 1* 18650Li-ion rechargeable battery

Used Hollis M-1 Dive Mask Surfing and Paddling Wetsuits Equipped with our patented auto-closurePlease note this is a USED ITEM offer. The item will be in good working condition, may show signs of use or wear. PRODUCT DESCRIPTION Visibility is the most important aspect of any dive. The M1 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 low iron content produces a higher light transmittance and a reduced green tint