TUSA M32 IMPREX 3D HYPERDRY MaskTUSA M32 features TUSA's patented Hyperdry System which allows for easy, no nonsense clearing of the mask with a single exhalation. Additionally, the Imprex 3D Hyperdry incorporates side windows for enhanced panoramic and peripheral vision and TUSA's patented round edge skirt for greater comfort and fit. 3 window design with enhanced panoramic view and peripheral vision. Hyperdry System for ease of mask clearing. Round edge skirt for maximum comfort