The No Toil Premium Dual Stage Air Filter is great for all motorcycle riding conditions with quality to provide riders with protection for worry-free riding. No Toil Premium Dual Stage Air Filters are constructed out of dual stage foam with two different pore sizes to trap even the smallest dust particles, keeping your intake system clean. The Premium Dual Stage Air Filters have been flame laminated between the two stages. This procedure heat bonds the two stages together to provide unrestricted air flow. No Toil air filters are the same size as your O.E.M. size to ensure the best fit on your motorcycle. No Toil includes a 1-year warranty on the Premium Dual Stage Air Filter.