Baltimore Aircoil Company Series 3000 Cooling Tower- 412 Tons. Model: 3412A. Airflow: 103,700 cfm. Sump tank capacity: 800 gallons. U.S. Motor. Series 3000 Cooling Towers deliver independently verified, fully rated thermal performance over a wide range of flow and temperature requirements. Standard design features satisfy today's environmental concerns, minimize installation costs, maximize year-round operating reliability, and simplify maintenance requirements. Inlets/outlets: (2) 8 in. dia. ports. Overall dimensions: 20 ft. 2 in. L x 9 ft. 10 in. W x 10 ft. 10 in. H. (ACN255).