![Are these masks sufficient against covid? They only had these ones left, I usually use the non-vented 3M masks, they block the most smoke (my method of testing in a high cannabis Are these masks sufficient against covid? They only had these ones left, I usually use the non-vented 3M masks, they block the most smoke (my method of testing in a high cannabis](https://i.redd.it/hh8dq2ofovc91.jpg)
Are these masks sufficient against covid? They only had these ones left, I usually use the non-vented 3M masks, they block the most smoke (my method of testing in a high cannabis
![Amazon.com: 3M Respirator, Cool Flow Valve, Paint Sanding, Lightweight, Disposable, Filter Media, Stretchable, Easy Breathing, 10-Pack : Tools & Home Improvement Amazon.com: 3M Respirator, Cool Flow Valve, Paint Sanding, Lightweight, Disposable, Filter Media, Stretchable, Easy Breathing, 10-Pack : Tools & Home Improvement](https://m.media-amazon.com/images/I/81blze6EweL.jpg)
Amazon.com: 3M Respirator, Cool Flow Valve, Paint Sanding, Lightweight, Disposable, Filter Media, Stretchable, Easy Breathing, 10-Pack : Tools & Home Improvement
![3M 10-Pack White Disposable N95 Sanding and Fiberglass Safety Mask in the Respirators department at Lowes.com 3M 10-Pack White Disposable N95 Sanding and Fiberglass Safety Mask in the Respirators department at Lowes.com](https://mobileimages.lowes.com/productimages/41d744f1-38ea-4ca6-b6b5-169a9cb51b57/05277759.jpg)
3M 10-Pack White Disposable N95 Sanding and Fiberglass Safety Mask in the Respirators department at Lowes.com
![3m 8511 Sanding and Fiberglass N95 Cool Flow Valved Respirator, Niosh-approved, Relief From Dusts and Certain Particles During Sanding, Pollen, Mold Spores, Dust Particles, 5-pack : Amazon.ca: Tools & Home Improvement 3m 8511 Sanding and Fiberglass N95 Cool Flow Valved Respirator, Niosh-approved, Relief From Dusts and Certain Particles During Sanding, Pollen, Mold Spores, Dust Particles, 5-pack : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/812KQg7TT4L._AC_UY1000_.jpg)