Provides bacterial filter efficiency of 99% Includes an inner nose strip for comfort Elastic straps for ease and adjustment Tying straps for grip and fit Material: Outer Layer : PP Spun bond, 14 GSM Filter Layer : Melt Blown, 18 GSM Inner Layer : PP Spun bond, 23 GSM (All three can be customized) Test Passed : ASTM F1862/F1862M- 13, ASTM F2299/F2299M/03 (2010) Designed from protection against dust, sand, allergens and debris. Variants available: Tie Type and Loop Type
