Quote Originally Posted by Randy Moe View Post
Well, I broke it down to small parts, and wow, a lot of dust, large piles of dust, behind the mixing chamber, everywhere. You cannot clean one of these without major disassembly. It has no filter on the incoming suction, but it is easy to add one.
A filter sounds like a good idea. My Durst 8x10 head has a manufacture date around 1992 and it was pretty clean in side when I got it. Looked like new actually. I did not even touch the filters. It has a panel type of intake filter on the back of the head.