[Materials and Design]: The 6800 full -faced respiratory mask uses high -grade High-quality materials. They are , have good tightness, and have a wide window design, which can provide excellent visibility. The face seal is made of silicone material, with comfortable veneer, cold flowing valve, exhalation and downward breathing valve cover. The valve board is not easy to be polluted. [Professional Protection]: The comprehensive respirator is equipped with 60926 activated carbon filters and dual filtration systems. This system can effectively block organic , acidic gas, chlorine, chlorine, hydrogen chloride, dioxide, carbon dioxide, Hydrogen, hydrogen sulfide, aminamine, methalmines, titamine, base amines, baseramine, titamine genes, formaldehyde or hydrogen fluoride, and non -oily and oily particles in the air. The filtering effect is as high as 99.97 % [Repeatable]: You can clean the respiratory mask (reuse). Just replace the filter ink on a regular basis to continue to use it. General interface design is compatible with most filters. You can buy other models of filter elements as needed. [Broadly used]: A whole face -proof mask is suitable for working areas filled with acidic gases and oily particles, such as painting, welding, sawing, woodworking, grinding, graffiti, experiments, mechanical processing, etc. Material: plastic colour: As shown Package Contents: 1 x 6800 mask 2 x 60926 filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.