How to Make a PVC Water / Air / Vacuum Pump! : 8 Steps (with

How to Make a PVC Water / Air / Vacuum Pump!: In this project you'll learn how to make a customizable PVC hand pump that will create vacuum suction, pump water, or compress air.  A pre-requisite to making the pump will be 2 homemade check valves.  You can learn how to make these chea…
How to Make a PVC Water / Air / Vacuum Pump!: In this project you'll learn how to make a customizable PVC hand pump that will create vacuum suction, pump water, or compress air.  A pre-requisite to making the pump will be 2 homemade check valves.  You can learn how to make these chea…

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