CLV18X30X4F Urethane, Cathedral Louver Trim.
Inside Width: 18-3/16"
Inside Height: 30-3/16"
Trim Width: 3-1/2"
Projection: 1"
Please note the product is factory pre-primed. The product must have a finish coat applied either prior to or after installation. Painting prior to installation will require patching of fastener holes and touch up of paint.