First off. This picture is vile and while I appreciate your need for assistance, you have ruined my day and I will be busy puking for the rest of the week.
To answer your actual question: I recommend just replacing it. Extra screen and cord is cheap and easy to install.
What? This isn’t true at all! I’ve designed and built these systems. In at least the past 15 years this wasn’t the case, and I’d bet longer.