Mask
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MFF-5 Mask Black
$17.98Select optionsA comfortable mask with 3D cut, adjustable earloop, headband, and nose clip ;
Premium Quality: Uncompromised Comfort & Protection. The MFF mask is our bestselling mask.
Outer Layer: 100% PolyesterMid Layer: Nano-FilterInner Layer: 100% cottonThe mask has passed the ASTM F3502-21 Standard Specification for Barrier Face Coverings. The filtration efficiency of the mask is over 86% even after 50 washes, based on 70+/-20nm particles.
Test Report please see blow:
ASTM F3502-21 part 1
ASTM F3502-21 part 2Washing instruction: https://3smask.com/g_q/ In how to “How to take care of the 3S Mask” section.
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Custom MFF-5 Mask
$17.98Select optionsA comfortable mask with 3D cut, adjustable earloop, headband, and nose clip ;
Premium Quality: Uncompromised Comfort & Protection. The MFF mask is our bestselling mask.
Outer Layer: 100% PolyesterMid Layer: Nano-FilterInner Layer: 100% cottonThe mask has passed the ASTM F3502-21 Standard Specification for Barrier Face Coverings. The filtration efficiency of the mask is over 86% even after 50 washes, based on 70+/-20nm particles.
Test Report please see blow:
ASTM F3502-21 part 1
ASTM F3502-21 part 2Washing instruction: https://3smask.com/g_q/ In how to “How to take care of the 3S Mask” section.
