A streamlined, uninsulated steel window system designed specifically for internal applications. Despite its minimal structural depth, the system offers excellent strength and durability, while remaining fully recyclable.

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For single and double-leaf windows where thermal performance is not required, Presto 50 provides a cost-effective and visually refined solution. Manufactured from 100% steel or stainless steel, the system is available in tilt-and-turn, tilt-only, and side-hung configurations.