Used 22118 Sq. Ft. Cooling Products, Inc Fin Fan Heat Exchanger. MAWP 150 psi @ 500 F. (2) 8" Inlets; (1) 4" Outlets; (2) 1" Vent/Drain. (102) 1.5" diameter tubes (SA-214). Four row, three pass box type header. Dimensions - 10-7/8" x 78", (2) 8" Swages. Built 1990, National Board # 1091, Serial # 3050-1. Previous Use: MEK Dewaxing (Qty. 2 Available)