1. ʻO ka ʻokoʻa nui ma waena o nā paipu pale oxygen ʻano PE-RTⅡ a me nā paipu PE-RT, PE-X, PP-R, PE a me nā paipu ʻē aʻe, ʻo ia ke ʻano PE-RTⅡ he ʻekolu-paepae i hui pū ʻia i loko o hoʻokahi pae, kahi e ālai ai ka pae EVOH i ka oxygen. ʻO ka wai a i ʻole ka ea e komo ana i loko o ka paipu e hoʻolōʻihi nui i ke ola lawelawe o nā valves metala, nā kuapo, nā paila, nā mea hōʻiliʻili wai a me nā ʻāpana metala ʻē aʻe i loko o ka ʻōnaehana pipeline holoʻokoʻa i ʻelemakule ma muli o ka oxidation. Inā hoʻohana ʻia ka paipu pale oxygen i loko o ka wai piula wai, ʻoiai inā ʻaʻole kahe ka wai no ka manawa lōʻihi, ʻaʻole ia e hōʻino ma muli o ka oxidation, a ʻaʻole hiki i nā bacteria e noho ana ma ka oxygen ke hana.
2. ʻOi aku ke kūpaʻa wela o ka paipu pale oxygen ʻano PE-RT II.
3. Loaʻa iā ia ka pono o ka noho ʻole ʻana i kahi ma hope o ke kau ʻana a me ka hoʻohana ʻana i nā paipu PE-RT.
4. Loaʻa iā ia nā pono o ka ʻoluʻolu ma hope o ke kau ʻana a me ka hoʻohana ʻana i nā paipu PE-RT.
5. Loaʻa iā ia ka pono o ka hoʻomaikaʻi ʻana i ke kaiapuni ma hope o ke kau ʻana a me ka hoʻohana ʻana i nā paipu PE-RT.
6. Loaʻa iā ia nā pono o ke ola lōʻihi o nā paipu PE-RT.
7. Loaʻa iā ia nā pono o ka mālama maʻalahi ʻana i nā paipu PE-RT.
8. Loaʻa i nā paipu pale oxygen nā ʻano like me nā paipu hoʻomehana papahele kiʻekiʻe ʻē aʻe: ke kūpaʻa waikawa, ke kūpaʻa alkali, ke kūpaʻa corrosion, ke kūpaʻa ʻelemakule, ʻaʻohe ʻawahia a me ka ʻono ʻole, ʻaʻohe popo, kūʻē wai liʻiliʻi, ʻaʻohe scaling, anti-freeze cracking, anti-leakage, pohō wela liʻiliʻi, mālama ikehu, maʻemaʻe, pili i ke kaiapuni, maʻalahi a maʻalahi ke kūlou, a me ka hoʻopau ponoʻī i ke kaumaha kūlou anu.