If you have an Identification plate which should be situated either inside or on the back of your unit:
You will need to provide the measurements
of your gasket/seal.
Please watch this short video.
To fully identify your gasket/seal you will need a Cross-Section of the profile. Please watch this short video.
Establish the type of gasket/seal you have and then choose which video matches:
If you see gaps in your gasket/seal or the door will not shut properly please watch this short video to see if it helps.