One (1) used Precision 500 Liter Stainless Steel Reactor w/ Lightnin Mixer. Reactor features 316L Stainless contact, 304 shell. Vessel rated for 45 PSI at 300 degrees. Jacket rated at 100 PSI at 300 Degrees. 1/3 HP Lightning Prop Mixer. National board #3766. S/N 5515-2