Used 9464 fq ft Forced Draft Air Fin Cooler. Manufactured by Smithco Engineering Inc. (1) Fin Fan with (2) Bundles. Bundle (1) FTS 1st Stage Product Cooler. 302 sq ft (Bare), 6348 Sq ft (Extended). 14'F/F. Stainless Steel Tubes and Headers. (110) SS Tubes x .75" O.D. Forced Draft Type rated 350 psi @ 525F. (2) 7.5 HP Fans. Top Louvers. National Board #14764. Serial #2015B2231A. Bundle (2) FTS 2nd Stage Product Cooler. 148 sq ft (Bare), 3116 Sqft (Extended). Stainless Steel Tubes and Headers. (54) SS Tubes x 1" Tube O.D. rated 350 psi @ 525F. National Board #14765. Serial #2015B2232A. Built 2016.