Comment by yurodivuie
3 years ago
It's actually E12 vs H13 - there is no H12. The "E" in "E12" stands for "EPA", as opposed to "HEPA".
3 years ago
It's actually E12 vs H13 - there is no H12. The "E" in "E12" stands for "EPA", as opposed to "HEPA".
aww jeez