*10 pieces of Filter per set*
Carbon Filter is Non woven material, Carbon, Melt blown fabric
This is a 5 layered activated carbon filter PM 2.5 (Particulate Matter)
Consisting of 5 layers with Activated Carbon layer in the middle.
The filter should be replaced after EVERY 48 HOURS OF USE.
Filter Size: Approx : 5" x 3 1/4 " (12.4 x 8.1 cm)
Ships 1-3 Business Day!
**Due to the hygiene reason, we wont be able to do any returns**