4-window dive mask / prescription
The M-41 Freedom Quad is a low profile 4-window mask that features the revolutionary Freedom Technology delivering superior fit, comfort and performance. The Freedom Quad fitline, lens and frame shape are derived from the popular M-211 Freedom One. The M-41 comes standard with CrystalView Optical Glass lenses and is the first TUSA panoramic view model equipped with Freedom Technology.
In addition to Freedom Technology, the M-41 features TUSA’s patented Quick-Adjust Buckle System, 3-D Anatomical Strap, Round-Edge skirt technologies and is available in a black silicone.