不用打孔安装，室内不走管道的新风系统！保证风量的同时省电又静音！

TIP! Right-click and select "Save link as..." to download.

VIDEOS
MP4	N/A	480P	Download
MP4	N/A	360P	Download
AUDIO
MP4	N/A	mp4a.40.2	Download
MP4	N/A	mp4a.40.5	Download
MP4	N/A	mp4a.40.2	Download
THUMBNAILS
	JPEG	Origin Image	Download