Filter for 6000 6200, 6800, 6502, 6503, 7502,7503 Series Respirator2pcs 2091 filters need to install on the respirator before using. The respirator with 2091 filters can be used in many works, for example:epoxy resin work, cleaning work, asbestos work, lead paint work, Woodworking, Grinding Work, Painting work filter is made of high electrostatic filter material, activated carbon layer, non-woven fabric, Meltblown fabric, hot cotton.as at least a 95% filtration efficiency, Recommended for use in environments containing certain non oil-based particles.When to Change the Filter CottonThe filter cotton is usually replaced in about 8 hours. You can extend or shorten the service life according to the work environment. Or when you are uncomfortable and difficult to breath, please replace the filter immediately.Note: the filter cotton can not be washed.Colour:As shownMaterial:activated carbonPackage Contents:6 x p100 filterOnly 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.