30 Pcs Activated Carbon Face Filters Anti Dust Replacements Parts for Most Sport Bicycle Cycling Mask Filters with 8 Exhaust Breathing Valves Replacement

I had purchased a mask from Amazon during the pandemic which require these inserts to be replaced along with the vents from time to time. Even though we are now at better times I still use this mask not only for when I am having to visit a doctors office or hospital to prevent catching anything but I also use these for my greenhouse work. The amounts of dirt dust that can end up plaguing my breathing and sinuses is sometimes ridiculous and can end up in sinus issues. But these replacements are exactly what I need to be able to keep using my mask without worry. With the frequency I need to replace due to how dirty they get I do not run into the problems some have of them starting to fray inside. If they do I simply replace and they are good for another week. Again I use these very often so the fraying occurs more frequently for me I believe due to how much I am using them otherwise the second one I have that I simply use for “sick” purposes lasts a lot longer. Easy to install. Very comfortable on the face, even with sensitive skin.

Fits nicely in my mask. Works great

The carbon in the filters like out the product. Specially, if I laid down to rest on the bed my pillow has carbon reside when I get up after an 2 to 4 hours.

These work well… Personally I use two in my Mask. And fold the ridge of the nose down. Which blocks less of my own exhaust from being reinhaled. And adds a third layer of filtration for my nasal inhaled. Easy to replace. And usually fit without to much hassle.

I use these for painting and mowing the lawn. I have Asthma, and these make it so that I don't even weeze, let alone have an asthma attack. Worth every penny!!

This product is amazing

Everything was great no complaints 👍🏾

Had problem trying to stretch the new filter hole over the mask holes, but finally was able to force the plastic round locks together and was able to turn them into a locking position on each side of the mask.