This high-quality kit allows you to help ventilate your garage while keeping the door closed. Keep everything out like leaves, rain, snow, animals and people while letting in the fresh air. The patented retractable wheel design allows you to quickly remove the wheels on the top panel from the track so the top panel can tilt and help ventilate your garage while keeping your privacy. The included bracket supports the top panel at selectable angles. On sale now from MSRP $149.99. Made in NJ, USA. (We combine shipping for up to 4 kits purchased in one order.)