Hikari Simple Inner Window Frame Rail Set for Small Windows Wood Grain PTM-I 1 S

Catalog number: PTM-I Features: ● Simply attach to the inside of an existing window to save energy, greatly increase heating and cooling efficiency, and reduce condensation. ● When installed with an outdoor temperature of 0°C and an indoor temperature of 20°C, the temperature at the center of the glass surface improved from 7.7°C to 14.7°C. (Tested with a window size of W1235 x H1373) Uses: ● Attach to the inside of an existing window to turn it into a double-glazed window. ● Reduces condensation in winter, saves on heating and cooling costs, provides insulation, and keeps the room warm. Specifications: Color: Wood grain; Suitable size: For sliding windows with window dimensions of 915mm wide x 915mm high or less; Packing size height (mm): 945; Packing size width (mm): 83; Suitable window dimensions (mm): 915 x 915; Window insulation performance 2.44 times (from thermal resistance), JIS insulation grade H-4 grade, light polycarbonate hollow board 4mm thick (Polycarbonate hollow board is sold separately, and cutting or other processing may be required depending on the size.) Material/Finish: PVC Set contents/Accessories: Frame Upper rail Lower rail Side cover Scratch prevention felt Note: This product alone cannot be used to create a double window. Please purchase 4mm polycarbonate hollow board sold separately.