Thanks for the help. Sandero 2018, in my car, the lamellas were vertical, with reinforced felted sides at the bottom and top, as you can see here. I just bought a Denso product, and its drawing shows that I should insert it horizontally, so the felted side is right and left. Now it would be nice to know what is the original, who succeeded in assembling it on the production line, or if this makes sense physically, I don't know.
Possibly. This is RHD. If yours is LHD it should be easier to get to without the pedals in the way so easier to see the flap. It might be no a/c = no cabin filter.
