Upgrade your home with the Crystal A Rated uPVC Casement Window, a popular choice in the UK. This top-opening window measures 610mm x 610mm and features a stylish white finish. The high-quality obscure glazing, Pilkington Stipolytte design, offers level 5 privacy. Enjoy enhanced thermal efficiency with the A Rated U-Value of 1.3 W/m2K, a 28mm Low E glazing unit filled with argon gas, and a Warm Edge spacer bar. The included white handle and sill (part of the overall product height) complement the durable uPVC profile. Security is ensured with an Espag locking system that includes a convenient night vent position for two locked settings. Controlled airflow is managed through trickle ventilation. This robust and easy-to-maintain window is built to last and comes with a 10-year manufacturer's guarantee. Product summary: Crystal uPVC casement window, 610mm x 610mm, A Rated, top opener, obscure privacy glazing, white, includes handle and sill, Espag locking, trickle ventilation, 10-year guarantee.