Product Info Catalog Building Materials Walls & Siding Moulding 8'WHT Insi Corn Molding 8'WHT Insi Corn Molding Request a Quote UPC: 765096852215 Manufacturer: Inteplast Building Products SKU: 227388 Model Number: 61040800032 1/4" x 7/8" x 8', Crystal White, Pre-Finished Polystyrene Interior Inside Corner Molding.