Votator (Cherry-Burrell) dual 6" x 72" swept surface heat exchangers

Votator (Cherry-Burrell) dual 6" x 72" swept surface heat exchangers, each with 9 square feet of surface area, 2" Tri-Clamp fittings, no drives, mounted on a factory built stainless steel frame for four units, model 4C672, serial number 93049HA, barrels have their own serial numbers, A5374 and A5377, 1993, fair condition, as is.