chemrox - 6-8-2012 at 15:34
Here's a Welch duoseal 1400 for 125. Welch duoseal is a bomb proof work horse that will stand up to damp storage, inadequate oil changes, poor
quality oil, use without traps, etc. Give it a little care and it will pull 0.1 Torr without much fuss.
http://www.ebay.com/itm/WELCH-SCIENTIFIC-DUO-SEAL-VACUUM-PUM...