- quality filters
- kn95 filter
Great kn95 filter and awesome level of protection when using this filters. Easy to breathe and great quality filters. Will buy more filters again. GREAT CUSTOMER SERVICE AND FAST DELIVERY.
We purchase several different masks and this was the first real anti fog. We are really happy with our investment.
The mask and these inserts work VERY well for me!! TY
I am a Registered Nurse. Our Daughter is a Registered Nurse. My Wife is a "Grandma."(I am ,of course Grandpa!;)) We are very impressed and pleased with our STS Masks and filters system. We have recommended the STS mask system to friends and colleagues. Everyone Thanks us for the recommendation!
love this mask where it everywhere