This is the Armor Filters Insert / Replacement Filter For Cotton Reusable Face Mouth Mask

Features:

• Replacement Filter ONLY
• Cotton reusable mask sold separately
• Please Note: This is a Non-Returable item
• These filter are 10-ply filters
• 97.425% effective at filtrating down to 0.5 microns

These filter are 10-ply filters and are 97.425% effective at filtrating down to 0.5 microns. These have been tested and received verified certification."