This is a Blue Print oil filter, part number FO-ECO055. It is a filter insert with fitted diameter of 46.5 mm, inner diameter of 31 mm, length of 94.5 mm, and outer diameter of 64.4 mm. It is compatible with HONDA models such as CIVIC VIII Hatchback (FN, FK), CR-V III (RE), ACCORD VIII (CU), CIVIC IX (FK), and ACCORD VIII Kombi. The corresponding part numbers are 15430RSRE01 and 38HO005. This filter is designed for engine oil filtration.