Marvin Next Generation Ultimate Double Hung Window

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Marvin Windows and Doors reconstructed the original double hung window with a radical new locking system.  This video illustrates the outline showing the everyday use of the window including its unique qualities. Those features are as followed: securing the window when it is halfway open for breeze and mediation, uncovering the top half of the window for more fresh air, while having a much more manageable way to clean the window using the tilt-and-wash function, and finally automatically fastening the top half of the window to remove blueprint.