Advantages
1.Filtration effect above 95% 2.Can prevent patients from spraying droplets, reducing droplet volume and spraying speed 3.Can block virus-containing droplet cores and prevent inhalation by the wearer 4.Three-dimens ional stretch design, fully fit the face, smooth and unobstructed ventilation
A: yes, we are able to offer free samples.You just need to pay the freight.
Q2: What is the material of products?
A: The main material is non woven fabric,Non-woven Fabric Outer Electrostatic filter cotton
Q3: What is your payment term?
A: Alibaba online Trade assurance,or 100% T/T before the order and delivery