[Features] Just by attaching it to the inside of an existing window, you can save energy, greatly improve the cooling and heating effect, and reduce condensation.
[Use] Install inside your existing window to make the window double glazed.
【specification】 Color: wood grain Applicable size: For sliding windows with window dimensions of width 915 x height 915 mm Packing size (mm) height x width: 945 x 83 Applicable window size (mm) 915 x 915
[Specification 2] Window insulation performance 2.44 times (from heat transmission resistance), JIS insulation grade H-4 grade, optical polycarbonate hollow board 4 mm thick (hollow polycarbonate board sold separately, depending on size, processing such as cutting is required.)
