UNUSED PRECISION STAINLESS INC. APPROXIMATELY 165 GALLON (650 LITER) VERTICAL STAINLESS STEEL REACTOR. RATED 50 PSI @ 300 DEG F INTERNAL. 316 STAINLESS STEEL JACKET RATED 173 PSI @ 300 DRG F. 3' DIAMETER X 4' STRAIGHT SIDE. WITH DISHED HEADS. 316L STAINLESS STEEL POLISHED SANITARY. QUICK-CONNECT SANITARY FITTING. WITH MECHANICAL SEALS. LUG MOUNTED.