3M P100 Particulate Filters (Pair) 2091

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The 3M 2091 P100 (HEPA) Filter is sold by the pair and features extremely fine filtration that traps all but the most minuscule particles. The 3M 2091 P100 Filters fit on the 3M 6000 half face respirator and the 3M 7500 respirator, as well as the 3M 6000 full face respirators. HEPA filtration is rated to remove 99.9% of particles .3 microns and larger. This includes most welding fumes (burnt metal), toxic dusts like asbestos and lead, and folks with allergies to many environmental dusts. We recommend using an asbestos mask if you are working on the heating vents or ducts, popcorn ceilings, automotive brake linings, or pipe insulation.

Sometimes called a 3M P100 pancake filter, they are attached directly to the mask. A simple 1/4 turn locks them on. No retainers or other attachment methods are needed. Our customers use them to protect against asbestos and lead dusts in particular, as well as a host of other dusts, allergens, and fumes. The filters are extremely lightweight and flexible, and they fit tight against the mask, which makes wearing this type of mask a bit more comfortable.

This filter is also available as an assembly paired with the 3M 6000 asbestos mask. When bought together, this 3M 6000 Lead and Asbestos Mask is one of our most popular items.

*If the hazard is mold, or if you are arc welding, then we would suggest the 3M 2097 P100 HEPA Filter that has a layer of charcoal. Active mold growth produces Volatile Organic Compounds (VOCs) that won't be absorbed by the 2091. Arc welding produces ozone, which also won't be absorbed.

Part Number:


More Information
Price $7.05
SKU MMM01-2091
Weight 0.1000
Protection From Most Dusts, Lead and Asbestos
Brand 3M
MPN 2091
UPC 50051131070009
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  1. Mike

    2014-05-08 18:04:04

    When changing brake shoes on semi trucks how often should the filters be changed?

    1 answer
    1. Justin

      2014-05-08 18:04:04

      The P100 HEPA (which stands for High-Efficiency Particulate Arresting) filters trap dust and particles like a strainer. Once the filters have successfully blocked a large amount of particulate matter, they still won’t let that material into your lungs. They do however start allowing less air to past through, and breathing will become more and more difficult.<br>
      You may not notice it at first, but as the filters clog up, it will become harder to suck in a breath. Trust us, you’ll notice eventually. That’s when you know it’s time to replace the filters.

  2. Monica

    2015-03-18 22:57:21

    Are the filters in the 2091 particulate filters washable ?

    1 answer
    1. Chris

      2015-03-18 22:57:21

      The 3M 2091 P100 (HEPA) respirator filters are not washable. Unfortunately, the toxic particles get trapped in part by a static charge within the filter. Getting them wet will dissipate this. There are no approved respirator filters which, to my knowledge, are washable.

  3. Imran

    2016-01-18 21:11:01

    Hey I'm an asbestos removal ist, I have a 3m 6000 half face mask and I was wondering can I use these filters every day or do I have to change them on a daily basis if not is there cartridges that offer the same protection as these ?

    1 answer
    1. Ben

      2016-01-18 21:11:01

      Technically the filters can be reused multiple times however the concern around asbestos is handling a contaminated filter may allow asbestos fibers to become dislodged and inhaled. The safest option would be to dispose of the filters at the end of each day.

  4. John

    2016-07-27 16:01:06

    When used for protection against lead vapour whilst paint stripping, how often should the filters be changed?

    1 answer
    1. Ben

      2016-07-27 16:01:06

      We get asked this question all the time. There's no specific time frame other than a maximum of 30 days. During that time, if breathing becomes difficult then the filters are clogged and should be changed.

  5. Royce

    2017-03-17 00:00:00

    Are these filters capable of trapping silica dust

    1 answer
    1. Alan

      2017-03-22 15:26:05

      Yes, this filter is capable of filtering out silica dust.

  6. Chuck

    2017-04-26 00:00:00

    I work as a range safety officer and have to assist shooters as well as sweeping up spent brass on the range at night, how will I know when I need to change these filters?

    1 answer
    1. Alan

      2017-04-26 22:37:59

      Unfortunately there is not set time. When it becomes difficult to breathe comfortably then it's time to change it out as it will get clogged (this will vary from individual to individual)

      Also, when the filter becomes dirty of physically damaged.

  7. Mary Jo

    2017-11-18 02:05:33

    2091 filters. Any color OTHER than pink?

    1 answer
    1. Alan Lau

      2017-11-20 23:59:21

      No, these only come in pink. If you want something more of a neutral color, you can use the 3M 7093 as they work exactly the same, but in a different casing:


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