The mask i used was much cheaper and I've done a lot of research to see if all these low-cost masks aren't as effective for the corona virus. so you can give me the details of a top level mask.
1. Name:
2. Price
3. Durability ( How long can i use it)
I only Use now KN95 mask because compared to N95 of US standard it is too expensive while kn95 is 300% lower in price.
I can Buy kn95 for 1.20$ while n95 valued 4-6$ depend on seller.
watch this to learn that they are both effective
https://smartairfilters.com/en/blog/whats-the-difference-between-n95-and-kn95-masks/and to stay longer in usage?i am spraying alcohol each time i use the mask so i can have it 4 days- 1 week