● Mtundu wa mbale wa activated carbon filter ndi mtundu wa fyuluta yomwe imagwiritsa ntchito carbon activated kuchotsa zonyansa ndi fungo losasangalatsa la mpweya.
● Sefa ya kaboni yopangidwa ndi mbale ndi mtundu wa sefa ya mpweya yomwe imagwiritsa ntchito ma plates a carbon activated kuchotsa zowononga ndi zosafunika mumlengalenga.
● Zosefera zamtundu wambale zokhala ndi kaboni zimagwira ntchito potengera zinthu zoipitsa pamwamba pa mbale za kaboni. Pamene mpweya ukudutsa mu fyuluta, zonyansa zimatsekeredwa pamwamba pa mbale, ndikusiya mpweya wabwino kudutsa.
● Zosefera za carbon zomwe zili m’mbale zimatha kuchotsa zinthu zosiyanasiyana zoipitsa, monga fumbi, utsi, fungo lonunkhira, ndi zinthu zina zakuthupi (VOCs).