Frank:
The roll is shorter than the store bought filter and therefore allows oil flow over the top. I swear that when I changed the TP filter before it had lots of particulate matter on it.
In about 4K miles I will open that canister up, take a photo and up it to this forum along with my smiling or frowning face.
It occures to me that we are more careful about what we put in our auto engines than our own bodies. I wonder how many in this forum who replied negatively to the TP filter are typing with a cigarette in their face....? Just a thought.....