My guess is "WIDE OPEN" in caps is "3/8" garden hose" open. The pipe almost pumps the smoke into your mouth.
hawke: I checked the results and they are interesting. Polling would open up a new diversion on the forum. I see:
Dunhill?
best
better than most
marginally better than some
a tad bit worse than a few
somewhat better than a cob
not as good as a cob but, better than a Peterson
Have fun with it!