Moldex 9032 P3R D Plus Ozone Particulate Filter White M9032 (Box of 12) P3 R D + Ozone particulate filter. In addition to the particle filtering efficiency these filters also offer protection against ozone; at 1000ppb ozone a maximum use time of 8h. P3 protection against harmful and carcinogenic dusts, fumes and water/oil based mists/aerosols 20 x WEL Revolutionary EasyLock filter system with no additional clips or holders. Different gas and particulate filters can be combined. EasyLock® particu
