The product is a retired Pittsburgh Corning glass block measuring 8 x 8 x 4 inches, designed as a fixed window with clear interior and exterior colors. It features light transmittal, being ready for severe weather, and is argon gas insulated. The glass is structural glass with a quadruple-pane glazing type, made in the United States. This block is perfect for industrial and commercial applications, offering a durable and high-quality window solution for businesses and industrial settings.