Why Does FFP3 Mask Fit Matter More Than Filter Rating?
The filter inside an FFP3 mask captures 99% of airborne particles, which is tested, certified, and printed on the packaging. What isn't printed is how much inhaled air bypasses that f…
The filter inside an FFP3 mask captures 99% of airborne particles, which is tested, certified, and printed on the packaging. What isn't printed is how much inhaled air bypasses that f…