Why it’s a Ultra-Thin material? Isn’t effective for virus? Well, Ultra Thin was made because of Malaysia hot weather so it remains breathable for a long day and it can reduce the chances of getting infected. Besides, you can use it with your surgical mask to extend its life. If this is not enough, you can add-on filter to add extra protection to fully block virus. For customer that need a delivery, please contact me first. - Unique water-proof filter element can prevent respiratory transmission of virus - After inspection, it achieved 91% filtering effect (effect can match KN90) NOTE: 2) 100 filter out of 1 might tainted with small dirt because it was produced directly from factory that it could trap dirt sometimes. Package: X1 Mask and X1 Filter
Ask your seller for delivery. Stay safe at home.