Hana ʻia nā pahu pahu SMS me ka membrane PES hydrophilic i lawe ʻia mai.Loaʻa iā lākou ka hoʻohālikelike kemika honua, ka pae PH 3 ~ 11.Hāʻawi lākou i ka hana kiʻekiʻe, hōʻoia kiʻekiʻe, a me ke ola lawelawe lōʻihi, pili i ka lāʻau lapaʻau, meaʻai, ʻoihana kemika, uila, a me nā māla ʻē aʻe.Ma mua o ka lawe ʻana, ua ʻike kēlā me kēia pahu pahu i ka 100% hoʻāʻo pono, e hōʻoia i ka pono kānana huahana.Hiki i nā pahu SMS ke hoʻomanawanui i ka mahu ma ka pūnaewele a i ʻole ka disinfection kiʻekiʻe.