HEPA ndi fyuluta ya mpweya yomwe imachotsa osachepera 99.95% ya fumbi, mabakiteriya, mungu, nkhungu, ndi tinthu tating'ono ta mpweya pakati pa 0.3 ndi 10 micrometers (µm) m'mimba mwake.Nthawi zina opanga amafotokoza nambala yowonjezera yotchedwa rating rating.Nthawi zambiri, zosefera za HEPA zimayikidwa mu ...
Werengani zambiri