Used 3,500 gal 347 Stainless Steel Clad Reactor, 8'6" diameter x 7' straight height, rated 15 PSI or full vacuum internal. Vessel has 50 PSI carbon steel jacket on bottom & 2/3 side. Tank is agitated by 3 HP motor & Falk reducer with 4' diameter & 2' diameter 4 blade agitators. Reactor has 6 legs giving 2' clearance under the center bottom outlet. Manufactured by Struthers Wells, serial number 76443, NB# 11424.