Builders Edge 140137079021 Vent, Sandstone Beige The Builders Edge Scalloped Exhaust Vent exhaust vent for side walls with patented exhaust flaps which stay closed when not in use Mounting blocks are durable, maintenance-free, UV stabilized and constructed with color molded-through so they won't scratch, flake, or fade Our patented Snap-On Trim Ring makes installation easy