50 Pack Triple Layer Face MasksDisposable Masks to Protect Against Dust, Fluids, Germs and WeatherSoft and Comfortable Elastic Ear-loop, Extra Secure Giving Les Pressure on Your Ears3 Layers of Strong Material – Non Woven Fabric With a Stronger Filtering
We using advanced production equipment, uses high-quality 27simn quenched and tempered seamless steel tubes, and uses low temperature and high temperature resistant sealing rings.