NASK NIOSH Approved N95 Nanofiber Mask 50pcs/box (TC-84A-7761)

• The only Hong Kong manufacturer qualified by US National Institute for Occupational Safety and Health (NIOSH) to produce N95 face masks.
• NASK'S N95 Mask is a high protection mask designed for professionals working in industry, hospitals or when certified protection is required. While NIOSH requires a minimum filtration efficiency of 95%, NASK'S NIOSH approved N95 mask has been proven to consistently perform at over 99% by independent and reputable laboratory testing bodies.

***This Niosh model is Adult (L / M / S Sizes)