【Limited to those who provide prompt feedback】 Simply insert it into the sash, and you can easily install a cat door. Insert the upper panel into the main panel. * Please be careful when inserting the panels and when attaching them to the sash. Suitable for sash heights from 150cm to 230cm. Made of steel, panel color: dark brown Cat door: 14cm x 16cm H, made of plastic Cat entrance frame color: gray Panel width: 19cm, depth: 2.5cm Regular price: ¥23,100 Brand new, unused, and unopened. Returns are not accepted.