Disposable Masks, ASTM Level 1 (Pack 20)

Disposable Masks 20 pack
ASTM Level 1
 
Layered non-woven fabric/composite material.
 
Sterilised by ethylene oxide.
Limited to one time use.
Must be destroyed after use.
 
Store in no more than 80% humidity, clean health, ventilated well-class warehouse, no corrosive gas.