On Thursday, May 12, 2016 at 1:05:05 PM UTC-7, SteamboatEd Haas wrote:
Curious to know if there are any plans to build one in the wild. The cheapest one I can find new that looks to be worth a damn is the Royal Filtermist and it clocks in around $1,300, which is waaay over my budget.

--Bit the bullet and bought a Royal Filtermist. I saved a bundle by making my own stand for it. I also did a tiny bit of sheet metal work and made a 6" to 4" duct reducer. Photos start about halfway down this page: https://www.flickr.com/photos/steamb...57675365635032