If you need a supply of low pressure air – let’s say enough ... But not [truebassB], instead he built his own air pump from first principles (YouTube, embedded below) using PVC pipe.

Vacuum pumps are everywhere—behind the scenes in air conditioning systems, hospital equipment, laboratories, and even some car engines.

With different measuring units from PSI to KPA,BAR, KG/CM² which can be changed with the R button and the pressure units can be increased or decreased with + or -. This electric air pump uses 12V ...