Jeffrey D Hendersonville , NC July 18, 2021 Appliance: Model ZW6500R Air conditioning side panels Easy fix. Something to note, Air conditioner measures 18 1/2 inches across. Window opening is 36 3/4 fully extended it was a stretch to get a seal in a window width of 36 3/4 inches putting a strain on the extenders. It worked out but would recommend for a window opening of 36 1/2. Read More... 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers