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Add quality craftsmanship, beauty and energy efficiency to your home without compromising architectural integrity with the Ultimate Insert Double Hung Replacement window. Its frame-in-frame design is built precisely to your unique window opening, so there's no need to remove the existing frame or disturb the exterior or interior trim of your house. With a vast array of hardware finishes, wood species and clad color options, Ultimate Insert Double Hung windows always fit perfectly into your existing space.
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