Builders Edge 140137079001 Scalloped Exhaust Vent 001， White<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The Builders Edge Scalloped Exhaust Vent exhaust vent for side walls with patented exhaust flaps which stay closed when not in use</li><li>Mounting blocks are durable， maintenance-free， UV stabilized and constructed with color molded-through so they won't scratch， flake， or fade</li><li>Our patented Snap-On Trim Ring makes installation easy</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51%2BgkDj7G9L.jpg" noproxy>