The Phenom Hand Operated Ergonomic Design Vacuum Pump with Pressure Gauge Dual Calibration with Dual Twin Buddy 2 Two Way Connector Hose for use of Two Cylinders at The Same Time :
Amazon.com: Actron CP7830 Hand Vacuum Pump : Automotive
Nalgene® Repairable Hand-Operated PVC Body Vacuum, Pumps without Gauge, 15cc, case/4