HD-DUO coolant service machine

Double The Tubes. Double The Performance.


From parts to paint, we use aerospace grade materials that are built to last.


Double the capacity of our RX-3N1, DUO is built for high volume applications.

shop-air powered

No finicky battery leads to mess with, just hook up your air line and go

2 tubes,

1 tube does the job of 3: Fluid removal, flush, and fill. The second tube in

fast. really fast.

100% of coolant exchanged in just 7 minutes. 85% exchanged for a 5-minute flush-n-fill.


25% less weight than our leading competitor, the RX-3N1 won’t get in your way.

Product description



Description for this block. Use this space for describing your block. Any text will do.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed ultrices elit eget sem luctus interdum. Morbi a sapien ut dolor placerat consequat. Nulla facilisi.