Hi guys, Welcome to the Advanced Video Search Engine, and you are watching LG 주거용 환기 시스템 USP 영상. That video is uploaded by LG전자 B2B at 2022-02-17T16:18:23-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [0K2zLAB6UBw]