Specification: Non-sterile folding ear-loop
Main material: non-woven cloth 40%+melt-blown fabric 30%+Filter cotton 30%
Standard: EN: 149:2001+A1:2009
Class:FFP2 NR
Valid period: 1 year
Recommended storage conditions: storage temperature: -20~33℃,relative
humidity no more than 80%, no corrosive gas or well-ventilated indoor, the
product should not be too extrusion during transportation, so as to avoid
packaging damage.