3M 4251 Maintenance Free Gas/Vapour and Particulate Respirator3M™ Maintenance Free Half Mask 4251 is a simple and ready-to-use respirator with an integrated cartridge and filters
A newly enhanced valve assembly helps to reduce exhalation breathing resistance , and the close-fitting , non-silicone , textured face seal is soft and non-allergenic
Includes a resealable bag for hygienic storage and transportation
Effective and comfortable protection against organic vapour and hazardous particulates
A newly enhanced valve assembly helps to reduce exhalation breathing resistance for improved breathing comfort
Lightweight , well-balanced , low profile design
Integrated cartridge and filters mean its ready to use and maintenance free
Soft , close-fitting face seal made with textured , non-allergenic material
Adjustable head cradle and easy to fasten neck straps
Centrally-positioned exhalation valve helps reduce heat and moisture build-up in hot and humid conditions
FFA1P2 R D protects against organic vapours , with a boiling point greater than 65 ℃ , up to 10 x Workplace Exposure Limit (WEL) or 1000 ppm (whichever is lower) , and 10 x WEL for particulates
