Hollis M1 Mask
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FREE shipping on orders over $250*
$30 shipping on orders between $100-$250
$15 shipping on orders less then $100
*standard shipping applies to all orders, no International shipping, estimated delivery time for items in stock - 2-7 business days.
*cylinders, sorb, weights and heavy items are excluded from free shipping offer
Returns Policy
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 inherent in other glasses. This makes the lens distortion free and helps improve color and visibility in low light conditions underwater.