3M 4251 Maintenance Free Half Mask, FFA1P2 R D Filters

• 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

Breathing Comfort – New enhanced exhalation valve assembly reduces breathing resistance by over 30%*. Proven to consistently exceed CE standard requirements for breathing ease. Wear Comfort – Soft and flexible face seal. Lightweight and well balanced mask. Low-profile and ergonomic design for optimal field of vision. Easily adjustable straps for secure, comfortable fit. Convenient to use – Ready-to-use, maintenance free construction with integrated filters. Designed to suit many eyewear and hearing protection models from 3M. Resealable bag provides convenient and clean storage between uses. Proven reliability * Exhalation breathing resistance of 3M 4000+ reduced by >30% for 120 lpm peak exhalation flow and >35 % for 160 lpm compared to 3M 4000 Series. Results measured by 3M in 2017 under laboratory conditions. Breathing rates shown as an example only.
3M™ 4251+ (FFA1P2 R D) provides protection against
organic vapours (good warning properties and b.pt.
> 65°C), up to 10x Workplace Exposure Limit (WEL) or
1000 parts per million (ppm), whichever is lower, and 10x
WEL for particulates