4000+ series half mask, filter class FFA2P3 R D, maintenance free. Supplied = assembled. Product type = half masks. Protection class = P3 R. Fittings = filter, valve. Model = reusable. Area of application = industry, trade. Conforms to = EN 405:2001+A1:2009. Colour = white. Effective and comfortable protection from organic gases, fumes and particulates. With integrated filter elements - ready for immediate use. Comfortable bands with an adjustable head strap and a neck strap that is easy to secure. Soft, silicone free face seal that is gentle on the skin. User friendly, reliable and comfortable. Including a resealable bag for hygienic storage and transport. The 3M maintenance free 4000+ half mask series provide you with effective respiratory protection as a user friendly complete mask. The new, improved exhalation valve reduces the breathing resistance upon exhaling, reduces the build-up of heat and moisture, and thereby makes it easier to breathe in hot and damp environments in partic