The M-212 Ceos is a low-profile low volume two window mask that features the newly developed and revolutionary Freedom Technology delivering superior fit, comfort and performance. The Ceos is one of the first next generation TUSA masks offering this innovative new technology combined with superior design, build quality, materials and frame construction. 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.