The production date is marked on the bottom of the package. And it is effective until 36 months from that date.
• 3 layered disposable mask filter: Non-woven fabric + Melt-blown + Non-woven fabric
• Quality approved by testings (Bacterial Filtration Efficiency of 95% )
• Disposable only, cannot be reused
•Attachable type included with double-sided tape. (But you can also, insert it in your filter pocket)
•Can be attached on any size or type of masks-Filter pocket not needed.
•Every filter is packed individually for hygienic purpose
• L 5.51 Inches x W 3.34 Inches
Product component:
•Individually sealed filters per each pack
