15 x 17 - 4 Pass with Brackets15 x 17 4 Pass with Brackets TYPE: Parallel Flow CORE HEIGHT: 15'' CORE WIDTH: 17'' CORE THICKNESS: 3 4'' OVERALL HEIGHT: 15 3 8'' OVERALL WIDTH: 21 1 4'' OVERALL THICKNESS: 1'' FITTING INLET: #6 Male O Ring FITTING OUTLET: #8 Male O Ring NUMBER OF ROWS: 4 Pass Parallel Flow, Non Serviceable Design Heavy Duty with Non Louvered Fins Specifications Product Condition: New 100% brand new and high quality. The product is the same size as the original part,