The Chemglass Airfree® portable vacuum system has been designed to be a totally self-contained system for use in vacuum distillations, sample degassing, vapor pressure and other preparative work requiring vacuum to 1 micron. Please Note: System is supplied complete as shown with the exception of the dewar flask, lab jack and port adapters; all of which are available as options.Complete system is shipped partially assembled with instructions in a wooden crate via common carrier, FOB Vineland, NJ. System can be customized with any of the listed optional items, or components can be purchased individually using the part numbers on the following pages. Approx. dimensions are 28” W x 20” D x 70” H.