Specially designed to accommodate long draw beer systems, this Micro Matic Pro-Line™ Power Pack features: 5,100 BTU, air-cooled compressor, 11.5 gallons glycol bath, and two pumps for glycol recirculation.
Pictures and more information at https://www.micromatic.com/en-us/4-gauge-co2-regulator-panel-assembly-0-60-psi-4-pressures-4-products/p-8WQhoRddRU-fRh0QxQOLuA
Cost new: $5683.50
Used for 5.5 years at downtown Springfield's Terra Ferment.