Particulate Matter (PM) 2.5 grade replaceable insert filters fine particles and dust. Activated carbon filter in center provides effective protection from airborne contaminates for PM grade 2.5 and up. Exterior is composed of non-woven fabric.
Easy to insert
Filter size 12x8cm/4.7 x 3.1 inches
What makes this product different?
FREE shipping on orders over $65
This item cannot be returned.
Disclaimer: this item has not been approved for professional use in the medical field by the National Institute for Occupational Safety and Health. This item SHOULD NOT be used as substitute for NIOSH approved medical masks in the work place.