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A heat exchanger (patented) which surrounds the valve mechanism
The all new Explorer muzzle allows loaded bands to fall parallel to the spearshaft
The ultimate in comfort and fit
cracking and discoloration
Hollis M-1 Mask surf A heat exchanger (patented) whichVisibility 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 inherent in other glasses. This makes the lens distortion free and helps improve color and visibility in low light conditions underwater.
