Where can I find the user manual for the SPE Vacuum Pump 115V 60Hz and/or 220V 50Hz? - WKB119896 Last updated Save as PDF Share Share Tweet Share Article number: 119896 ENVIRONMENT Solid-phase extraction (SPE) SPE Vacuum Pump ANSWER User Manual for SKU 725000417 and SKU 725000604 - SPE Vacuum Pump 115V 60Hz or 220V 50Hz (Gast Pump Model DOA-P704).pdf ADDITIONAL INFORMATION id119896,