PM2.5 Activated Carbon Filter for face shield, 5 Layers Replaceable Anti Dust Anti Haze Filters, Protective Mouth Filter 20Pcs for Outdoor with 5 Exhaust Valves

Came in different packaging to what was in the product bag itself. So bulk bought supplies are separated and placed inside therefore contaminating the masks unless properly sanitised. These replacement filters are also different to the photos. Another misleading piece of PPE. In this current climate where we must trust each other, China needs to up quality assurance and testing to do so.UPDATE - Shocking difference in price markup for making a quick buck from the pandemic. Bought at £16.89 now advertising for £6.99... avoid! Also not the same fabric masks to fully fit as photos shown.

Goes with valve mask. I bought for covid 19 pandemic but these would NOT stop corona virus 0.1 micron particles And also the WHO no longer recommend use of valve masks that can create infectious 'exhaust plumes.' What you really need for Corona if that is your purpose here are min N95 or pref 3M 99 melt blown masks. But if its just for dust, sanding etc then go ahead.

No certification markings to show they meet the standards advertised and despite a number of attempts to get the information no such from the supplier by email.All in one plastic seal, loosely grouped together.

These were bought along side some masks. They arrived packaged well and fit the masks I bought them for. Delivery took a little over 2 weeks which I consider pretty good in the current situation.

Exactly what we required , no hassle but be prepared to wait ,delivery actually arrived 2 days ahead of schedule

If you have a mask that takes these, then you are going to need them, lot's of them.You can use one filter per day, it doesn't get soggy, hot or yucky because you have the outlets on either side.Your glasses don't steam up.These masks are great, comfortable and easy to change!

These filters are fantastic fit wonderful price and I'd like to say more, better pricing than what p I've seen for a single filter at that price, can't be beat, plus they fit the mask I have.

The filters are well made & good quality & they fit the masks that i purchased from another supplier. The valves are also exactly the same as the ones that are in my masks so it was a very good buy. Great value for money.