NOTE: Not compatible with ORÅ Mask. Specifically designed for use with standard cloth/fabric masks.

Upgrade your own face mask with ORÅ Mask's filter technology. Each filter sheet helps provide unwavering protection from PM2.5 particles thanks to a three-layer nanofiltration membrane, smaller than many viruses, including influenza.

The package contains:

• 5 filter sheets, each lasts 100-160 hours
• Fully recyclable
• Dimension: 4 3/4 x 3 1/4 inches

Note: Opened filter packs are not refundable.