This video is about all the stuff that goes between your vacuum pump and your part when vacuum bagging composites: hoses, connectors, fittings, gauges and catch pots! It goes with this article at Explore Composites!

https://explorecomposites.com/article...

There is another article about choosing a vacuum pump here:

https://explorecomposites.com/article...

And one about vacuum bagging here:

https://explorecomposites.com/article...

These bits and pieces make up a basic "vacuum system" for composites work. Different processes require different components - this isn't always clear and it is easy to mess stuff up if you use the wrong things together. Curing resin is unforgiving!