Customizable double glazed unit designed to fit small window frames, with dimensions up to 500mm x 500mm. Features 'Safety Toughened Glass' for enhanced safety. The unit includes 4mm Clear Outer glass, an Argon-filled cavity with a Spacer Bar, and 4mm Low E Clear Inner Glass, achieving a U-value of up to 1.2. We will contact you to confirm the actual size. The unit also offers softcoat coating for better insulation. The product weighs approximately 11.02 pounds and is manufactured by Sealed Units Online.