Square and Rectangle Gable Vents made of Western Red Cedar, Pine, Cypress or PVC. Only clear, kiln dried lumber is used. Vents are ordered with either of two standard trim profiles; Brick Molding or Standard Square Edge. Custom requests are welcomed. Each Kimball Design Gable Vent comes with Aluminum bug screen attached. All fasteners are exterior grade and a waterproof glue is use at all joints.