Armorlite brand

From what I recall about Amarlite doors, that wool pile channel is no longer available. I suggest just replacing the wool pile itself. Take a look at the 58-127, which is 1/4" high, as well as the 58-179, which is taller at 5/8". I believe either one of these should fit in your wool pile channel, but I still recommend removing a piece of your existing pile to match up.