This Blue Print cabin air filter, part number 21-SB-SB6, is designed to fit various DAIHATSU SIRION models from 2005 onwards, including the 1.3L engine. It features an activated carbon filter type for enhanced air purification. The filter dimensions are 155 mm in length, 18 mm in height, and 155 mm in width. This part is also cross-referenced with numerous other manufacturers, including Ashika (21-SB-SB6), Bosch, Mann-Filter (CUK 1611), and many others. For any queries regarding fitment, please use the make and model tool provided or contact the seller directly.