No affiliation, just sharing...
https://losangeles.craigslist.org/lgb/pts/d...7198357965.html
Full Version: SS 1,7 Heat exchangers on Craigslist LA area
Good price ... plus, they have the beefy flanges 
This is a "lo-fi" version of our main content. To view the full version with more information, formatting and images, please click here.