OKNA SERIES 500
Okna Insul-Tec Series 500
The OKNA Insul-Tec is our most popular choice for window replacement. The Insul-Tec combines excellent craftsmanship with a traditional look and feel. This Series offers all the benefits you come to expect from vinyl windows with a variety of options to make your home energy efficient while enhancing its beauty. Since all OKNA products are custom-made, you can be sure of a perfect fit, which translates to savings on time and labor during installation.
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