To ensure that the insect screen fits perfectly, you should measure the dimensions from the outside. Record the distance from one window frame edge/door frame edge to the other for accurate measurements. In this way we can ensure that the insect screen is fitted exactly to your door opening or window.
If you have any questions, you are welcome to take a photo of your window and send it to us. We will tell you how to make a perfect measurement in a short time.

And that's how easy it is to assemble

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