This versatile system fits internally, either within the window reveal or around the opening, and is available in both single and double-sash configurations. It offers ease of use with a smooth top-running operation, and an optional fold-up bottom track to keep doorways unobstructed. The system is highly secure, featuring multi-point locking that operates from a single key for added convenience. Additionally, it comes with a high-quality white powder-coated finish as standard, ensuring both durability and a sleek appearance.