1. Hana ʻia ke kiʻi ʻoniʻoni UF i nā membrane ultrafiltration, ʻoiai ʻo Ro film i hana ʻia me nā membrane reverse osmosis.

2. Hoʻohana ʻia ke kiʻi ʻoniʻoni UF no ka wehe ʻana i nā ʻāpana nui a me nā molekala, ʻoiai hoʻohana ʻia ʻo Ro film no ka wehe ʻana i nā ʻāpana liʻiliʻi a me nā mole.
3. He haʻahaʻa haʻahaʻa ko ka kiʻiʻoniʻoni UF ma mua o ke kiʻiʻoniʻoni Ro, ʻo ia hoʻi e hele mau ana kekahi mau mea haumia i ka kiʻiʻoniʻoni UF, ʻoiai ʻoi aku ka nui o ka hōʻole ʻana o ke kiʻiʻoniʻoni Ro.
4. Hoʻohana ʻia ke kiʻi ʻoniʻoni UF i nā noi mālama wai e like me ka hoʻomaʻamaʻa mua ʻana no nā ʻōnaehana RO, ʻoiai hoʻohana ʻia ʻo Ro film i ka desalination a me nā noi wai maʻemaʻe kiʻekiʻe.
5. Pono ke kiʻi ʻoniʻoni UF i ka liʻiliʻi ma mua o ke kiʻi ʻoniʻoni Ro, e ʻoi aku ka maikaʻi o ka ikehu.
6. ʻOi aku ka maikaʻi o ke kiʻi ʻoniʻoni UF ma mua o ka kiʻiʻoniʻoni Ro, e lilo ia i mea koho kaulana no nā noi wai ʻoihana a me ke kūlanakauhale.