Upgrade your space with this 47.5" x 47.5" XO sliding vinyl window, designed for broad, open views and excellent energy performance. Featuring dual-pane Low-E clear glass, this window enhances thermal insulation, reduces UV exposure, and helps maintain year-round indoor comfort. The multi-chambered vinyl frame resists warping, fading, and weather damage while offering low-maintenance durability. The retro fin frame is ideal for retrofit installations, allowing for easy, flush mounting in existing openings. With a smooth-slide design, built-in screen for ventilation, and a limited lifetime warranty, this window brings functionality, beauty, and energy savings together.

Why choose this 47.5" x 47.5" XO vinyl retrofit window?

This wide-format window offers smooth sliding performance, energy efficiency, and a clean retrofit design—making it a top choice for homeowners seeking comfort and style in larger spaces.