TUSA FREEDOM CEOS SCUBA DIVING MASK In addition to Freedom Technology, the M-212 features TUSA's patented Quick-Adjust Buckle System, 3-D Anatomical Strap, Round-Edge skirt technologies and is available in a PRO version (M-212S) with CrystalView optical glass lenses treated with a proprietary anti-reflective (A/R) and ultraviolet (U/V) coating.
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