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 Respirator. 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:

Additional Details

0.10 LBS
8.50 (in)
1.00 (in)
12.00 (in)
Protection From:
oil and non-oil based particles


14 Reviews

  • 5
    Awesome filter for welding!

    Published by Jake the Metal Man on May 5th 2015

    These are great for welding. I put these on the 3M 6500 QL. Fits well under a welding hood. These are great because of the organic vapor filter, it gets rid of all the smell that is produced when welding. PK Safety did a good job as far as delivery time went. Would highly recommend.

  • 5
    They work but what a color.

    Published by George on Apr 3rd 2015

    The filters do the job they are supposed to do well but why on earth do they have to be shocking pink for a green and grey mask? Why not grey? That would earn me fewer astonished stares at the shooting range.

  • 5
    Back up set

    Published by DLS of KY on Nov 3rd 2014

    I ordered the filters as a back up for the half mask I ordered that had them on it already. I am very pleased with the way they kept the saw dust, insulation dust and demolition dust out of ME!

  • 5

    Published by Rob on Oct 30th 2014

    I recently was able to convert my civilian Israeli 40mm gas mask to accept 3M filters and was seeking a P100 HEPA rated filter to provide possible protection from airborne pathogens. My order came through exceptionally well. The 2091 filter was exactly what I was looking for and I was very happy with the quality of the product.

  • 5
    Great quality

    Published by Lizzie on Oct 6th 2014

    I have been very pleased with these filters & all of the supplies that I ordered! I can not say enough good things about the customer service that I received! They are awesome!

  • 4
    Worked for us

    Published by Wild Investment on Aug 14th 2014

    We were using filters that were really for fumes and we needed to block out dust and what could have potentially been asbestos. These worked great in keeping and filtering all dust and fibers. Would buy them again.

  • 5
    Will buy again

    Published by Steve on Aug 22nd 2013

    Use for construction demo. Feel protected. Nothing negative.

  • 5
    Particulate Filter

    Published by Paula Rueter on Aug 22nd 2013

    Easy to use and place on your respirator. Item quickly shipped.

    Easy to install on your respirator.

    I do not dislike anything about this item.

  • 5
    Filter review

    Published by Marvin on Aug 22nd 2013

    Hope it is working -- it fits fine and is easy to change out -- using it to filter asbestos, so again -- HOPE it is working

  • 4
    Exceptional filter

    Published by Micheal Hamilton on Aug 22nd 2013

    Have used in lost wax cast Bronze Foundry for 10 years. Handles the fine silica dust in the slurry room and external sand blasting, handles metal fumes from pouring and welding, particles from grinding and chasing and most fumes from the patina chemicals. Highly Recommend.


    Newer filter seem to de-laminate faster than the older ones.

    Comments from PK Safety:

    Hi Michael,

    Thanks for taking the time to write a review. We like knowing the 2091 filters perform so well in your foundry work.

    About the delamination issue - we are wondering if you have tried the 3M 7093 filters. The 7093s provide the same level of filtration, but have a protective exterior that might protect the filter better in your work environment.

    They are also slightly less expensive.

    Thanks again for the review, and an extra thanks for attaching the excellent photo.

    Best regards,

    PK Safety

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