Description
MFF-5 Mask Black
$19.98
A 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% Polyester
Mid Layer: Nano-Filter
Inner Layer: 100% cotton
The 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 2
Washing instruction: https://3smask.com/g_q/ In how to “How to take care of the 3S Mask” section.
Additional information
| Size | XL, S, M, L |
|---|
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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
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The 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 2
Washing instruction: https://3smask.com/g_q/ In how to “How to take care of the 3S Mask” section.
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The 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 2
Washing instruction: https://3smask.com/g_q/ In how to “How to take care of the 3S Mask” section.
Fit a bit loose, unfortunately
Great service
My son likes the fit of these masks and they seem to be of good quality
Masks are excellent relative to fit and filtration and will last through many washings if cared for as required. Delivery was quick and any website problem was quickly taken care of with an email