ʻO ka sterilization, ka ea hou, ka wehe ʻana i ka formaldehyde, ka nānā ʻana i ka manawa maoli, ka manawa wikiwiki nui, kānana PM2.5
1.formaldehyde kānana
2.smog kānana
3.puehu kānana
4.toluene kānana
5.lua-lima uahi kānana
6.bacterial kānana
7.odor kānana
8.tvoc kānana