How to find the right dimension - measure the open window
LR319C3 window length 278 mm
the rubber seal is mounted on the plexiglass pane
typically the window frame 4 pins visible from the outside (NOT on the aluminum window frame)
![](https://primary.jwwb.nl/public/u/k/g/temp-ewbciovfchbbtuzpqxcs/ujksoh/0a23a0e9-0dc6-4a22-9b9b-7e9800f9172d.jpeg?enable-io=true&enable=upscale&crop=1751%2C1332%2Cx84%2Cy0%2Csafe&width=297&height=226)
![](https://primary.jwwb.nl/public/u/k/g/temp-ewbciovfchbbtuzpqxcs/ysthwa/2af94121-73d4-46a7-886e-60aa07476c3c.jpeg?enable-io=true&enable=upscale&crop=1921%2C1280%2Cx0%2Cy934%2Csafe&width=351&height=234)
![](https://primary.jwwb.nl/public/u/k/g/temp-ewbciovfchbbtuzpqxcs/1w507e/1c6aeaf2-0c4a-454c-bf2a-c168a98ecb81.jpeg?enable-io=true&enable=upscale&crop=1239%2C826%2Cx0%2Cy53%2Csafe&width=354&height=236)
How to find the right dimension - measure the open window
LR319C3 window length 278 mm
the rubber seal is mounted on the plexiglass pane
typically the window frame 4 pins visible from the outside (NOT on the aluminum window frame)