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For Easier Breathing

Breathing made easier

This evolution of 3M’s most popular reusable respirator now offers noticeable improvements in comfort

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3M™ "Maintenance-Free" Reusable Respirator, 4000+ Series

The 3M Reusable Respirator, 4000+ Series, with its new breathing valve assembly and unique filter technology, is convenient to use, reassuringly reliable and now offers measureable improvements in comfort.

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  • Maintenance-Free Reusable Half Mask

    Introducing 3M "Maintenance-Free" Reusable Half Mask, 4000+ Series

    Click to watch video above.

  • Breathing made easier

    Breathing made easier

    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.


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Newly engineered valve assembly that helps reduce exhalation-breathing resistance by over 30%.*

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Comfort and convenience are key to helping your workforce comply with regulations and maintain performance levels whilst wearing masks. We understand this and have applied our skills in respiratory protection to significantly improve the wearing experience for our reusable respirators.

Welcome to the 3M Maintenance Free Reusable Half Mask, 4000+ Series. Like its predecessor, the new mask is lightweight, well balanced and has optimal field of vision. Convenient to use and comfortable to wear, there are 4 versions in the range, 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.
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breathing comfort

Breathing comfort

  • New enhanced exhalation valve assembly reduces breathing resistance by over 30%*
  • Proven to consistently exceed CE standard requirements for breathing ease
  • *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.
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wearer comfort

Wearer Comfort

  • Soft and flexible face seal
  • Lightweight and well-balanced mask
  • Low-profile and ergonomic design
  • Easily adjustable straps for secure, comfortable fit

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convenient to use

Convenient to use

  • Ready-to-use, "maintenance-free" construction with integrated filters
  • Designed to be compatible with most eyewear and hearing protection models from 3M
  • Resealable bag provides convenient and clean storage between uses
  • 4 versions available, each offering effective protection against differing hazards in the workplace
  • Proven to consistently exceed minimum standards for filter service life
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Product Catalogue


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