Comparison : Item # QIG-17-1, QIG-17 Extractor, With Pressure/Vacuum Stopcock
Item # QIG-17-2, QIG-17 Extractor, With Pressure/Vacuum Stopcock
Item # QIG-17-3, QIG-17 Extractor, With Pressure/Vacuum Stopcock
Item # QIG-17-4, QIG-17 Extractor, With Pressure/Vacuum Stopcock