The patented double joint "" buckles (cardanic joint buckles) rotate from the top down from the inside to the outside. They provide maximum flexibility and comfort for everyone's head shape. The opposing push button activation makes the buckle easy to use even when wearing gloves. New mask band with larger chapter provides more stability and comfort.

• Patented '' double joint '' buckle '' Cardanic Joint ''
• New, wide mask band
• Very easy to set up
• Low volume
• Transparent silicone face piece