4 Pack of Replacement Filters
Innovative micro HEPA filters, self seal when installed into the Woobi Mask. Replacement filters are one size, and interchangeable for all Woobi masks. The folded filter material achieves a similar filter surface area to a normal disposable surgical mask. Tested and certified to block over 95% of harmful particles. The Woobi Masks obtain the highest level of performance for any consumer pollution mask in mass production.
Woobi Masks filters particles such as:
PM 0.3-10, dust and other air pollutants
Pollen and other allergens
Respiratory droplets that may transmit disease
Wildfire smoke & cigarettes
Note - this product is not intended for medical use