Still blowing black after every shift?
Use our nasal filters that block dust, fumes, and particles before they reach your lungs.
Wear them alone or under any mask!
✓ Seals the gap your mask leaves exposed
✓ Invisible on the job. No one knows you're wearing it.
✓ Fits under any welding hood, N95 or half-face respirator
No BS. Just reviews.
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3h ago
Didn't expect much honestly. But after my first shift I blew my nose and saw what these things caught. Signed up for the monthly subscription that same night.
1.1k
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6h ago
Foreman on a job site with 14 guys. Bought a pack to try. Now 11 of them use them every day. Says enough.
722
12 Comments
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2h ago
Bought these for my husband after watching him cough every single morning for years. He thought it was stupid. He set up a subscription himself the next week.
498
14 Comments
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9h ago
30 years in a steel mill. Wish someone had told me about these on day one. Better late than never I guess.
421
32 Comments
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10h ago
I work construction in Phoenix. 110 degrees and these don't make it harder to breathe at all. That was my biggest concern and it was a non issue.
309
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This is what one shift looks like.
The filter on the right spent 8 hours inside a welder's nose... everything on it would have gone straight to his lungs without FilterForce©.
That black residue is metal fumes, grinding dust, and whatever else floated through the air that shift.
Multiply that by 250 shifts a year. Then by 20 years. That's 5,000 days of that going straight into your lungs.
Lung tissue doesn't grow back.
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What our customers noticed after their first week.
Numbers don't lie. Here's what people reported after one month of use.
Shift one. Already a difference.
98%
Stopped blowing black after their first shift
92%
Reported breathing more comfortably throughout the full shift
94%
Said they would never go back to working without them
✓ Results based on a 1 month post purchase poll
Two steps. Under a minute.
Step 1: Insert and forget
Slide them in. Within 30 seconds you won't feel them. Weld, grind, lift. They stay put all shift.
Step 2: Check the filter
End of shift. Pull them out. See what they caught. That's what would have ended up in your lungs.
Think of it as a HEPA filter built for your nose. Your natural defenses handle everyday air just fine. But they were never designed for metal fumes, silica dust, or grinding particles.
Our filters add the protection layer your nose was never built to provide.
Why we built this
My father has been welding for over 30 years. One evening he showed me the inside of his respirator pre-filter after a single day of hard facing. It was completely black after just one shift.
Then he told me something that stuck with me. Most guys on the job don't even bother with a respirator. Too hot. Fogs up the helmet. Won't seal over a beard. So they just breathe it all in and blow black into a tissue at the end of every shift. And nobody thinks twice about it.
I started digging into the numbers. Welding fumes are classified as a Group 1 carcinogen, the same category as asbestos. Lung cancer rates are five times higher in retired steelworkers. Construction workers in their 30s are being diagnosed with silicosis. And the men doing this work every single day? Most of them have never heard any of this.
The protection exists. Respirators work. But a respirator that nobody wears isn't protecting anyone.
I built FilterForce to close that gap. Not to replace your respirator. To be the layer of protection that's always there, invisible, comfortable, and actually worn, for every minute your respirator isn't on.
My father wears them now. Every shift.
Your lungs are the one tool you can't replace.
— Michael, founder
Straight answers.
Is this a respirator replacement?
Is this a respirator replacement?
No. For heavy fume work like galvanized welding or confined spaces, always wear a proper respirator. Our filters go inside your respirator to catch what slips through the nose bridge gap. For lighter dust like grinding or sweeping, they work on their own.
Can I wear these under my welding hood or respirator?
Can I wear these under my welding hood or respirator?
Yes. They sit inside your nostrils and add zero bulk. Wear them under any welding hood, hard hat, or respirator. They catch the particles that slip through where your mask doesn't seal.
Will anyone on the job site know I'm wearing them?
Will anyone on the job site know I'm wearing them?
No. They sit inside your nostrils and are invisible from the outside. No explanation needed. No one knows.
Will they stay in during heavy physical work?
Will they stay in during heavy physical work?
Yes. Built for shop heat and long shifts. Sweat doesn't affect the fit or filtration. They stay put through 12 hours of hard physical work.
Can I breathe normally during heavy work?
Can I breathe normally during heavy work?
Yes. Zero breathing resistance. You breathe normally while welding, grinding, lifting, or climbing. The filter catches particles without restricting airflow.
What about facial hair?
What about facial hair?
Doesn't matter. They sit inside your nostrils, not against your face. Full beard, mustache, three-day stubble. No fit tests. No shaving required.
How long does one pair last?
How long does one pair last?
One pair lasts one full shift, up to 12 hours. Replace daily for best filtration. Your monthly subscription includes 30 pairs.
Is the subscription worth it?
Is the subscription worth it?
$24.95 per month. That's $0.63 per day. Less than a cup of coffee. Invisible, comfortable, and you'll actually wear them. Free US shipping, cancel anytime.
Do they work for concrete and silica dust?
Do they work for concrete and silica dust?
Yes. For heavy silica exposure like dry cutting concrete, wear them inside your respirator as an extra layer. For general site dust, they work on their own.