This video walks you thru HowTo Build a Compressed Air Cooling Radiator which includes a unique Auto Drain. This is a must for anyone using compressed air. It will remove Moister and Contaminants prior to reaching the advanced Air Filter.

3Page Diagram (PDF): http://bit.ly/1WDurYF

Pneumatic Plus Filter: SAU3030N03DGMEP http://amzn.to/2hDrU4Q
Pneumatic Plus Auto Drain: SAD402N04DMEP http://amzn.to/2iQLAnI
3/4" Copper piping
Everflow Full Port Ball Valve: 405C034NL http://amzn.to/2hWyRfc