12 x 20 - 4 Pass with Brackets12 x 20 4 Pass with Brackets TYPE: Parallel Flow CORE HEIGHT: 10 7 8'' CORE WIDTH: 19 1 2'' CORE THICKNESS: 3 4'' OVERALL HEIGHT: 11 7 8'' OVERALL WIDTH: 23'' FITTING INLET: #8 Male FITTING OUTLET: #6 Male FINS PER INCH: 14 Fins Per Inch NUMBER OF ROWS: 4 Pass Parallel Flow, Non Serviceable Design For Flare Applications Must Order KA46753 Male O Ring Fittings, Made as a 4 Pass for Greater Heat Dissipation Related Parts