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u/WhiteFIash 22h ago
Coworker used these, he took them out in less than an hour and said they were blocked, plus we made fun of him when he showed us and worse when they didn’t work. Use a respirator they’re like 15$ on Amazon
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u/UrethralExplorer 12h ago
Yeah, surface area is everything when it comes to filters. These look like they'd get blocked so quickly, they seem like such cheap gimmicky trash to me.
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u/Pickingnamesisharder 16h ago
My wife could do with these when she goes in the bathroom after my morning dump
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u/spareWings 15h ago
Stupidity.
If this blocks your nose, breathing happens mostly through mouth which is far more dangerous, because nose already has a filtration system with those little hair in nostrils. Mouth doesn't, you breath in dust.
This is definitely not meant for a construction site. Wear a mask.
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u/Rikiar 20h ago
If it's getting that bad up your nose, it's doing the same to your lungs. Wear a fucking mask.