Used Marley MH Fluid Cooler. Model MHF704H121G-1GSB. 600 GPM (process) 95F-85F at78 F wet bulb (30% prop. Glycol content). Heat Load: 2,851,600 btu/hr. 237 tons (does not include heat of compression from a chiller) (1ton=12,000 btuh). 190 tons (including heat of compression from a chiller) (1 ton = 15,000 btuh). Evaporation: 7.3 GPM x 60 min/hr = 438 GPH. Serial #10012098. Built 2011.