Core size 940mm * 686mm * 62mm ( 37″ * 27″ * 2.4″ ), overall size 1158mm * 749mm * 193mm ( 45.6″ * 29.5″ * 7.6″ ), inlet/outlet 47mm / 47mm ( 1.9″ 1.9″ ), 3 ROWS; Note: Please check the pictures and dimensions carefully before purchase;