Sigma-Aldrich
Ace O-rings, FETFE®
Ace O-rings, silicone
Ace O-rings, Viton®
Ace polished shaft
Ace Trubore® stirrer bearing
Aldrich® glass thermometer well
Aldrich® high-efficiency Friedrichs reflux condenser
Aldrich® vacuum adapter with SafetyBarb® hose connector
Büchi® B-540/B-545 melting point tubes