[Product name] Environmental single tank dust mask
 
[Shelf Life] 3--5 years，
 
[Material] Mask body: green rubber filter cartridge: upper and lower solvent spraying， intermediate filter fiber cotton
 
           Lace: elastic skin contact part: cotton sleeve
 
[Life] mask body (except for filter cartridge on both sides) - can be cleaned repeatedly，
 
   Filter cartridge life varies depending on the specific environment of about 300 hours or so.
 
 
【Weight】 overall weight of 107 grams