Leszek on Nostr: npub1e2z26…yldaf Getting a well fitted respirator with a P3 filter will be much ...
npub1e2z26rv2fk5f9k8ex3xtu6whu5425u7dvn4ju40xr4hfve5q83uqyyldaf (npub1e2z…ldaf) Getting a well fitted respirator with a P3 filter will be much better than a disposable variant (and with less breathing resistance if it meets the norms).
The important thing is to remember to replace the filters regularly. Also most masks and half-masks will have an exhaust valve which you might have to block if you want to filter both ways.
3M makes the cheapest reliable half-masks that I know of (6000 series). Also the filters are easy to buy.
The important thing is to remember to replace the filters regularly. Also most masks and half-masks will have an exhaust valve which you might have to block if you want to filter both ways.
3M makes the cheapest reliable half-masks that I know of (6000 series). Also the filters are easy to buy.