I built one of the 3d printed ones. It didn’t work well for me, but I think it was because of the tubing I bought.
If you need something more industrial, there are higher end pumps that are more precise like this one
I built one of the 3d printed ones. It didn’t work well for me, but I think it was because of the tubing I bought.
If you need something more industrial, there are higher end pumps that are more precise like this one