4 ms·
It's actually E12 vs H13 - there is no H12. The "E" in "E12" stands for "EPA", as opposed to "HEPA".
by yurodivuie 4y ago
It's actually E12 vs H13 - there is no H12. The "E" in "E12" stands for "EPA", as opposed to "HEPA".
- jldugger 4y agoaww jeez