Hāʻawi nā pāpale PVC palupalu i ka pale anti-dust o kāu mau duct.He kūpaʻa maikaʻi ko lākou i ke ʻano o ka wā a me ka radiation UV.Hoʻohana maikaʻi ʻia no ka lawe ʻana, mālama ʻana a i ʻole ke kau ʻana o kāu mau auwai.
Nā hiʻohiʻona nui:
① Kū'ē i nāʻakika, alkalis a me nā paʻakai. ②Maʻalahi, maʻalahi hiki ke hoʻololi ʻia, ʻaʻole paʻa. ③Ke kū'ē wā pōkole i ka haʻalulu wela a hiki i 120 °C ④Ka hoʻomanawanui ʻana - ka mānoanoa o ka paia ± 0.3 mm, ka lōʻihi ± 1 mm