Halo Plus 10pcs KN95 FFP2 5 Layer Filtration Face Mask with Ear Loops and Air Valve, Adjustable, Hypo-allergenic, Optimum Filtration for Prevention & Protection, One-Size Fits All, Disposable

They barely let any air through the mask material, unlike other KN95 masks I have owned and bought from registered UK pharmacies; these are like trying to breath through a plastic bag (if you were to tape up around the sides of the mask and completely seal it over you face, you would most likely suffocate); meaning the majority of the air you'll be breathing in and out isn't getting filtered by the mask, but instead going around the sides as it can't get through the mask good enough (completely negating the point of wearing a mask; you might aswell not be wearing one). It also means after awhile of wearing it the moisture from your breathing will really make these unfomfortable as the mask won't air out properly.Also the air valve does nothing as it is too tight to be of any use (it won't let air out unless you literally wrap your mouth around the valve and blow through it).They are also rated "not for medical use" and are made in china. If that tells you anything.Don't waste your money. Don't buy masks on Amazon. Buy them from a registered UK pharmacy.

Maybe I had a defective pack, but the first one I opened up had an air valve which was permanently open. It's meant to open and close as one breathes.

I bought these to protect us from dust when doing renovation work on our house. The masks don't seal up properly around the nose because of the way they are packaged and folded. No amount of bending the nose bit will seal it. Additionally, because they use earlobe elastics not around the head, you can't create enough pressure to safely get a tight sealed fit.Don't buy if you actually need them to filter. Absolute waste of money.

Good quality, individually packaged masks, using daily at work. Comfortable to wear all day and the valve ensures they don't get hot and stuffy and hard to breathe in. There's a big difference in comfort and wearability between these masks and the non-valved variety. I have no problem wearing them all day and they help to avoid steamed up glasses! Fast delivery which is always a bonus.

Really good quality masks. The only problem I have is as a glasses wearer no matter what masks I use, my glasses steam up. I tend to put my glasses over the nose to keep out excess air but find that sometimes these masks ride up and go into my eyes which means I have to pull them down. I wish there were masks with more shape to keep them away from your eyes.

These are ok until the filter falls out, after which they're not much use. It seems to take around a couple of weeks until this happens. The benefit of the filter is that it's much easier to breathe than the surgical masks, which could be good if you wear glasses. They're also comfortable to wear, though I'll probably shop around for another mask. These are still fairly reasonable for the time being, though you do look a bit like a sideways duck.

Genuine European FFP2 certified mask. I have bought these several times now and they work fine. They are not quite as good quality as the 3M masks but they are perfectly adequate. If you are looking for a mask to offer virus protection these will work much better than the more common blue surgical masks.

Found this to be a really great fit, no air leaking out, so ideal as a glass wearer no steaming up of glasses. Would highly recommend this product