Main components:
the upper layer is non-woven and the middle layer is melt blown
Product features:
one time use
high effifiency filter materials
Three demensional fold, good air perme ability
The strap is made of high quality spandex, soft and elastic
Main components:
the upper layer is non-woven and the middle layer is melt blown
Product features:
one time use
high effifiency filter materials
Three demensional fold, good air perme ability
The strap is made of high quality spandex, soft and elastic