Nyumba yosefera yaying'ono imakhala ndi katiriji kakang'ono ka porous fyuluta ndi nyumba zosefera zitsulo zosapanga dzimbiri, zophatikizidwa ndi makina osefera a single-core kapena multicore cartridge. Imatha kusefa tinthu tating'onoting'ono ndi mabakiteriya pamwamba pa 0.1μm mumadzi ndi mpweya, ndipo imadziwika ndi kusefera kwakukulu, kuthamanga kwa kusefedwa, kutsika pang'ono, kukana kwa dzimbiri kwa asidi ndi alkali, komanso ntchito yabwino.