standard vent uses sheet metal vent, power vent uses PVC.
one is standard vent, one is high efficiency power vent.
所有跟帖:
• 确实是PVC管,改成Mental vent容易吗?现在这种power vent型号差价和人工差价加起来贵大约$800 -老袁笑了- ♂ (143 bytes) () 06/28/2023 postreply 19:37:06
• 改不容易,不值得 -smlandlord- ♂ (0 bytes) () 06/28/2023 postreply 23:24:00