Please help me to identify the correct model window channel balance. I do not seemed to be able to look up and select the correct ones (model like before). I have looked through models 350, 351 and several others, but I am not able to determine the header and footer. My 4 photos should show
1. overview
2. the stamp identifier
3. the header close up
4. the footer close up
Thank you for helping me to identify and possibly provide stepped instruction to place my order.
Sincerely yours
Bill