C02 Horizontal Heat Exchanger, approx4-1/2' diax 44-1/2'L, design pressure @ 1160psig @ 237 deg F, operating pressure/ 870psig / 72 deg F, carbon steel/stainless clad, 1”PS/AS insulation, with slight glass/level gauges, front MH, fill pumps, associated actuator & ball valves below vessel