Hand-operated vacuum pump (without gauge), 32 mL/stroke, PVC body from Cole-Parmer
Three low-cost vacuum pumps made from materials available in rural... | Download Scientific Diagram
Nalgene 6132-0010 Repairable Hand Vacuum Pump with Gauge, PVC, 15cc/Stroke: Science Lab Hand Operated Pumps: Amazon.com: Industrial & Scientific
How to Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum « Hacks, Mods & Circuitry :: Gadget Hacks
JGB Enterprises Eagle Hose PVC/Polypropylene/Aluminum Fertilizer Solution Pump Hose Kit, 2" Green Suction Hose Coupled C x KCN PolyPro, 2" Blue Discharge Hose Coupled C x E PolyPro, 29 Vacuum Rating, 80
How to Make a PVC Water / Air / Vacuum Pump! | Hand pump, Diy water pump, Hand water pump
How to Make a PVC Water / Air / Vacuum Pump! : 8 Steps (with Pictures) - Instructables
DIY motor electric air pump DC 12v, Make Vacuum cleaner from PVC Pipe - YouTube
Chapter 6: Aerodynamics: Homemade vacuum pump and water pump
Ideal Vacuum | Flexible KF-50 Vacuum Pump Exhaust Hose, Do It Yourself, 2 each KF-50, 10 ft Hose, & PVC Cement Kit