I'm stickin with my knee highs in the vac port. I received my CDV filter from SS, tried it once, and put it back in the shop. What a hassle, and it doesn't filter out the fine stuff. and when it needs cleaned, where are you gonna clean it? In the custys drive way, as in the use video? So very unprofessional, rinsing out crud on your custys drive or lawn. Probably the same for the other inline filters. With my Hydraforce inline filter, I had spare SS strainers, and could pull one out and store it in the van for later cleaning. Of course, I know long time cleaners that still run filterless, dump everything into their tank, and when full, pull out the 2" hose and let the tank rip, right down the custys driveway!