The k&n high flow air filter for royal enfield bullet 500 b5 2012-2015 is part of the latest collection from k&n.Features: fits directly into oem airbox with application specific sealing bead to ensure a precise fit fuel-management modifications are not required for increased performance pleated media provides a large filtration area offering long service intervals washable and reusable, pre-oiled and ready to ride designed to provide increased performance made in the usa specifications: base color: red color finish: black red features: washable filter height imperial: 3.11 Filter height metric: 79.00 Mm filter height: 79.00 Mm 3.11 Filter media material: cotton gauze filter shape: round tapered inside diameter imperial: 3.70 Inside diameter metric: 94.00 Mm inside diameter: 94.00 Mm 3.70 Material: rubber to fit: royal enfield bullet 500 b5 2012 american models royal enfield bullet 500 b5 2013 american models royal enfield bullet 500 b5 2014 american models royal enfield bullet 500 b5 2015 american models royal enfield bullet 500 c5 2009 deluxe american models royal enfield bullet 500 c5 2010 american models royal enfield bullet 500 c5 2011 military american models royal enfield bullet 500 c5 2011 american models royal enfield bullet 500 c5 2012 military american models royal enfield bullet 500 c5 2013 military american models royal enfield bullet 500 c5 2014 military american models royal enfield bullet 500 c5 2015 military american models royal enfield bullet 500 efi 20...