- Exhalation valve provides increased air flow and comfort- Active Carbon Filter protects against nuisance level organic vapours- Pre-formed nose-bridge minimizes the risk of leaks- Twin straps offer firm comfortable fit- Suitable for medical, soldering, welding, grinding, sanding and dusty environments- Certified to AS/NZS 1716- Available with valve, with valve and carbon filter- Box of 20 Masks, Card of 3