Skip to content Skip to navigation menu

3M™ 4251+ Maintenance-Free Reusable Half Mask


Engineered for improved breathing ease, this evolution of 3M’s most popular maintenance-free reusable half mask is convenient to use, reassuringly reliable and now offers measurable improvements in comfort.

Code: 290513


£24.34 Each (ex. VAT)

£29.21 inc. VAT
- +

3M™ 4251+ Maintenance-Free Reusable Half Mask

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 - First choice of 3M reusable respirator across Europe since its introduction over 25 years ago. 4 versions available, each offering effective protection against differing hazards in the workplace.

* 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.

Manufacturer Details

Manufacturer 3M
Manufacturer Code 7100113098

No videos available for this product

Reviews for this product

0 of 0 news itemsRelated news for this product

Login to start product discussions Discussions for this product