• 3D design from non-woven polypropylene for comfortable speech and breathing.
• With adjustable plate in the nose area, it offers easy and stable application.
• Disposable, made of hypoallergenic materials, without latex.
• Continuous inspiratory resistance.
• Bacterial filtration efficiency (BFE):> 95%.
• Effective protection for many consecutive hours in comfort.
• Standards: EN149: 2001 + A1: 2009, GB2626-2006, FDA