If you’re plumbing in a new drain or vent and have to join two different kinds of plastic pipe, black ABS and white PVC, ...

But not [truebassB], instead he built his own air pump from first principles (YouTube, embedded below) using PVC pipe. It’s a ... from a piece of wire. The connecting rod is another longer ...

[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life ...