Used Plate type heat exchanger, manufactured by Paul Mueller, Model AT40SS B-20, all stainless steel construction, approximately 1,000 sq. ft. surface area. Includes (270) plates measuring 16" x 54", with Rail length of 8', plate capacity 286 maximum, 3" sanitary clamp in/out. Rated for 117 PSI @ 150 deg. F/32 deg. F. Serial# 90020. NB# 17537. Complete with plate divider. Previously used at food processing facility.