i still have most of my Marbles, but i cannot find my post from a few days ago, much less any replies... So here goes again: What is this group's Opinion on the DeVilbiss 901 D? How old is it and what's its' major Malfunction? (i found a Used 1 for-sale cheap). Thank you again. PS: i'm starting a cp...

If you think they're bad, you should try Apria!