Here I show how I added an after cooler between the pump and tank of my air compressor to cool the air. It achieves this dramatically as and enables the inline water trap to catch a lot of water before it makes it to the tank.

Aluminum tubing:

https://www.amazon.com/AllstarALL401...

Cooler:

https://www.amazon.com/Derale15300T...

3/8 NPT compression fittings

https://www.amazon.com/ZKZXCompressi...

8AN to 3/8 NPT fitting:

https://www.amazon.com/AluminumFemal...

3/8 NPT female to female fitting:

https://www.amazon.com/LeginesBrass...