DNA Air Filters - Air Filter for Kawasaki KLX 250 09-20/ KLX 250es/ KLX 250 CAMO 18-20 / KLX 300 R 20-23 / KLX 300 SM 21-23This 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 Kawasaki workshop manual. The filtering efficiency is extremely high at 98 99% filtering efficiency, with 4 layers of DNA Cotton. The flow