Used Hollis M-3 Frameless Mask Black Condition:Like New Designed specifically for women divers

Designed specifically for women divers

Firmware is updateable to keep the device current

corrosion resistance is important

allow freedom of movement

Used Hollis M-3 Frameless Mask Black Condition:Like New Designed specifically for women diversVisibility is the most important aspect of any dive. The new M3 mask provides that with distortion free vision and superior fit. This low profile design uses a rigid frame and two lenses with 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 inherent in other glasses. This makes the lens distortion free and helps improve color