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🛡️ Breathe Boldly, Work Confidently — Your Ultimate Shield Against Particles & Odors!
The 3M P100/OV Multi-Purpose Reusable Respirator 65021 combines NIOSH-approved P100 filtration with an organic vapor cartridge to block 99.97% of solids, aerosols, and certain vapors. Designed for professionals tackling stains, varnishes, and particulate hazards, it features adjustable straps for a custom fit, lightweight construction for comfort, and a reusable design that supports multiple projects. Trusted by experts, this respirator elevates your safety and comfort in demanding environments.

















| ASIN | B002NMFLU2 |
| ASIN | B0GSHHD648 |
| Age Range Description | Adult |
| Best Sellers Rank | #340 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Reusable Respirators |
| Brand Name | 3M |
| Closure Type | Headband |
| Color | Multi-color |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,104) |
| Date First Available | March 13, 2026 |
| Department | Unisex |
| Fabric Type | reusable-respirators |
| Filter Class | P100 |
| Fit Type | Adjustable |
| Global Trade Identification Number | 00051141902777 |
| Included Components | 1 Pack |
| Item Dimensions D x W x H | 4.5"D x 7.7"W x 7.7"H |
| Item Package Quantity | 1 |
| Item Shape | shape |
| Item Type Name | reusable-respirators |
| Item Weight | 0.7 Pounds |
| Manufacturer | 3M |
| Manufacturer | 3M |
| Material | Plastic |
| Material Features | Natural,Organic |
| Number of Items | 4 |
| Part Number | 65021H1-DC |
| Product Style | Household Multi-purpose Respirator |
| Recommended Uses For Product | The 3M P100/OV Odor/Particulate Multi-Purpose Reusable Respirator 65021 is recommended for use with certain non-harmful sprays and vapors from stains, varnishes, coatings, and sealants. It is also suitable for wood sanding, polyurethane application, and pesticide spraying |
| Reusability | Reusable |
| Size | Medium |
| Special Features | NIOSH-APPROVED OV CARTRIDGE WITH P100 FILTER filters at least 99.97% of solids and liquid aerosols as well as certain organic vapo |
| Style Number | 65021H1-DC |
| UPC | 051141902777 |
| Unit Count | 1 Count |
| Warranty Description | Limited Warranty. This 3M product will be free from defects in material and manufacture. If this 3M product is defective, your exclusive remedy shall be, at 3M's option, replacement of the 3M product or refund of the purchase price of the 3M product. This warranty gives you specific legal rights, and you may have other rights which may vary from state to state, or country to country. To obtain war… |
M**0
Does the job!
I bought this for a month-long rotation as a medical student on forensic pathology. We observe several autopsies every day and depending on how long it took for the body to be found, the smell can be really overwhelming and intolerable. I wasn't sure how well this mask would realistically work to block out that kind of a smell, but the day I got it, I put it on and I tested it on my trash bin and even the dumpster downstairs. I couldn't smell anything. Then when I went into my rotation I discovered that the mask really worked perfectly--it went above and beyond what I had expected. I'm so grateful that I decided to buy this because it immeasurably improved my quality of life while on the forensics rotation. It's very easy to breathe through with no weird plastic smell. You get a bit of a red mark or indentation on your face after wearing it for a few hours, but this quickly goes away. The straps don't pinch or hurt at all. And both of the straps are adjustable so that you can ensure the mask fits your face perfectly, which is important to make sure that you have a complete seal over the nose and mouth. Make sure that you pay attention to the kind of filters that the mask has if you're looking to buy a similar sort of respirator. I bought this one specifically because it has filters tailored to organic solvents, which was suitable and appropriate for my work in the forensic autopsy rotation. But depending on what you're trying to filter out-- if it's particulate matter or asbestos-- you need to ensure that you're getting the right kind of filter. Not all of them protect against every substance equally. But, overall, for the price I would absolutely recommend it, regardless of if you're trying to protect yourself from a smell or some kind of heightened medical risk from exposure to particulate matter at work, it's really a great price for a device that works exceptionally well.
M**B
Effective and easy to put on
Great mask! I've been able to comfortably wear this mask for over an hour while working on pottery. Seems to have good protection from the dust and airflow is smooth. I was able to adjust the straps easily for a nice fit - they also have some stretch for comfort. Only downside is having red marks on my face after longer uses.
A**R
Comfortable and Effective
I recently purchased the 3M multipurpose mask for a home renovation project and it’s been a total game changer. I used it while stripping paint and working with strong adhesives, and it effectively blocked out both dust and the intense chemical odors that usually make me nauseous. The fit is snug but comfortable — the adjustable straps and soft face seal make it easy to wear for long periods without irritation. Breathing feels natural, and I didn’t experience any fogging with my safety glasses, which is so helpful. If you’re doing any sanding, painting, cleaning with chemicals, or even just sensitive to smells, this mask offers excellent protection. It’s durable, reusable (with replaceable filters), and feels like a professional-grade piece of safety gear. Definitely worth the investment for both DIYers and anyone who values clean
L**R
Best out there for the price!
Excellent unit. Works great for UV resin and crafting fumes. Fits great.
A**S
Need a good set of lungs
Fits very securely. No air seepage. The filters work well enough that your lungs need to be working good to do work while wearing. Greatest part is how clean the air smells while wearing this.
R**A
Good respirator
I bought this when my husband had to go get mothballs out from under our house. Getting the two side pieces on was a little difficult, but it works pretty well. He didn't smell the mothballs at all until the respirator slipped a little. I'm going to deduct a star for that and for the difficulty of the instructions. Overall, it seemed a little heavy but the filter seemed really good. It helped my husband get an otherwise impossible task done.
G**L
Keeps dust out
Perfect for woodshop use. Comfortable and keeps the dust on outside of me, which is the primary purpose so I am happy about that. Works with short beard and safety glasses.
S**N
Perfect respirator right out of the package!
Great respirator right out of the package. Twisted on the filters and put it on. Was able to keep fine dust particles, and even spray paint fumes out. Easy to set up and use, and versatile in its coverage.
Trustpilot
1 day ago
1 month ago