2 ms·
Air filtration engineer tests and reviews N95/KN95/KF94 masks
- carabiner 6y agoSpoiler: his favorite mask is the TIA BOTN from https://behealthyusa.net/BOTN-%EB%B3%B4%ED%8A%BC-%ED%99%A9%EC%82%AC%EB%B0%A9%EC%97%AD-%EB%A7%88%EC%8A%A4%ED%81%AC-KF94-%ED%8E%B8%EB%A6%AC%ED%95%9C-%EA%B7%80-%EB%81%88%EC%A1%B0%EC%A0%88-%ED%8A%B9%ED%97%88%EC%83%81%ED%92%88-KFDA-Approved-FDA-Registered-%EB%B3%B8%EC%82%AC-%EC%A0%95%EC%8B%9D-%EC%88%98%EC%B6%9C%EC%A0%9C%ED%92%88-%EC%8B%9D%EC%95%BD%EC%B2%AD-%ED%97%88%EA%B0%80-%EC%A0%95%EC%8B%9D-%EC%88%98%EC%B6%9C-%EC%8B%A0%EA%B3%A0-%EC%A0%9C%ED%92%88-BOTN-KF94-p215288952 https://behealthyusa.net/BOTN-%EB%B3%B4%ED%8A%BC-%ED%99%A9%E... and overall prefers the (Korean) KF94's over the KN95's. His control mask is an N100, which consistently shows in his tests as filtering 99+% of particles.