100 PCS PM2.5MASK Activated Carbon Filter, 5 Layers Replaceable Anti Haze Filters, Protective Mouth Filter for Outdoor

Hi, FYI. These filters are a little different as they are machine stitched together not machine stamped. You can see the thread stitches.At first glance I thought I had gotten ripped off. But after looking at them closer they appear to be very well made and seem to be even better made than the machine stamped mass factory produced ones that were first on the market. They are slightly thicker than the others on the market.I’ll be honest, I haven’t tried one yet to see how breathable they are. Will get back on that.~An Oregonian surviving Covid-19

Super fast shipment. I ordered on May 10. And arrived on May 26. Happy with the product. Thank you

absolutely wonderful! These filters will do well in my masks! Though, they are a little small, but I'm making child masks, so this doesn't bother me. I love the 5 layers, as I sacrificed one to see if there were actually 5 layers, and there are! They seem thin, but there not! I tried the flame test (try to blow out a candle with mask on) and it worked perfectly! There breathable, usable, and quick side note: the PM2.5 is faced to your face, and the side with the backward PM2.5 is away from your face. I hope this review was helpful. Love it! Will buy again if needed!-Tinyteacup

This item is not 5 layers.

Ordered July 12, arrived at my doorstep August 8. Shipped from China (not the US as someone here said).A little thin than what I’m used to. I cut one up to see if there are 5 layers - and there are. Although for me, they are still way too thin than a US made filter. The activated carbon layer is questionable.It seems to be machine-stitched and the PM 2.5 stamp goes all the way through the whole filter so essentially, you do have a “hole” there (fail). I’m concerned about the color as well since the outside is grayish-black in color when most filters have a thick white exterior. It is on the small size for an adult mask, but fits well in a child’s mask.The only thing I liked about them is that it came in packs of 10 in small zip loc bags. In the end, you get what you pay for I guess. I’m not sure if I’ll still be using them but if you want a cheap filter, then it’ll do.

I ordered a 100-pa of inserts for Covid masks. We are not done with the virus yet, so further inserts were needed. They came in a tightly wrapped plastic bagm which was a bit difficult to open, but was eventually cut with scissors. The inserts fit most masks and offer that extra layer of protection. This particular item is a repeat order. I found it easy to insert, it stays in place while wearing, and I am very pleased with this product and delvery.

Gives me the extra comfort during these times. Came pretty quickly and I’m pleased. Doesn’t seem too thick but I know it gives me an extra layer of protection.

If almost half of the Ohio population is refusing to get a vaccination and also protesting loudly about wearing a mask, any extra layer of protection is well worth it. I put these filter inside a mask, taping it if necessery. I ordered another 300, giving them to friends.

J'utilise ces filtres depuis plus d'un an maintenant avec des masques réutilisable et lavable je les commande toujours par 100pcs ou 200pcs.À chaque livraisons je repasse une nouvelle commande ainsi je gères mon stock, vue la situation de la planète et l'utilisation intense de ce produit il est bon d'avoir des réserves.Je change régulièrement de vendeurs pour voir les différentes qualités mais dans l'ensemble la je n'ai jamais eu de problème que ce soit avec les vendeurs qui sont toujours très réactifs que via la qualité des différents produits.

Très bon produit, de bonne fabrication au prix très compétitif,malgré des délais de livraison de presque 2 mois (:/),mais avec un numéro de suivi efficace...Dimension parfaite pour nos masques en tissu de marque Adidas taille S & LLe pouvoir filtrant semble correspondre à la description du produit par le vendeur.Je recommande cet achat.

Pour les masques en tissuTrès pratique vous le glissez dans votre masque (à condition qu'il y est une ouverture dans le masque) celui-ci évite l'humidité et on respire beaucoup mieux vraiment c'est l'idéal pour être mieux protégé

produits de bonne qualité mais je trouve que la respiration est un peu plus délicate les filtres sont vraiment épais

Je l’ai acheté pour mettre dans les masques tissus mais comme je ne mets plus beaucoup de masques tissus j’en ai un petit stock .