DNA Air Filters - Air Filter for Honda CB 1000R 08-17 / CBF 1000F 10-18This filter features DNA's Round Design. A perfect airtight sealing and trouble free filter installation for the user is guaranteed by using a high quality EVA seal, which is precisely cut and factory installed (glued). Installation of the filter is very easy, simply follow the information that can be found in the HONDA workshop manual. The filtering efficiency is extremely high at 98 99% filtering efficiency, with 4 layers of DNA Cotton. The flow of