Nā pahu hau haʻahaʻa haʻahaʻa loa (ULT pahu hau) ua hoʻolālā ʻia no nā kumu kūikawā no ka mālama pono ʻana i nā lāʻau lapaʻau, specimens, vaccines, erythrocyte, hemameba, DNA/RNA, bacteria, iwi, sperm, a me nā mea ola ʻē aʻe.Ma Nenwell, ko makounā pahu hau haʻahaʻa loaLoaʻa ka laulā o ka mahana mai -25 ℃ a -164 ℃, e iho koke ka mahana ma hope o ka wehe ʻana, a hiki i ka hoʻohui ʻana i nā refrigerants kinoea, ʻoi aku ka maikaʻi o ka ikehu a me ke kaiapuni e hāʻawi i nā kūlana kūpono.Ma waho aʻe o nā koho wela, nui nā koho e hoʻokō i nā mana mālama like ʻole, nā ana a me nā koi ʻē aʻe.Loaʻa kekahi mau ʻano pahu hau no kāu mau koho, hiki i ka pahu hau ULT kūpono ke komo i loko, hiki ke hoʻololi ʻia nā ʻāpana mālama, hiki ke kōkua i ka ULT ma lalo o ka counter a me nā pahu paʻa kūʻē i luna ke kōkua iā ʻoe e mālama i ka lewa inā he wahi liʻiliʻi kāu, a he pahu. Hoʻopili ʻia ka pahu hau ULT i nā mea liʻiliʻi i hoʻohana ʻia āu e mālama ai a mālama no ka wā lōʻihi.ʻO kā mākou mau pahu hau haʻahaʻa haʻahaʻa loa &nā pahu hau lapaʻaukūpono no nā noi ma nā halemai, nā keʻena waihona koko, nā hale noiʻi noiʻi, ke kahua anti-epidemic a pēlā aku.