Innovative material, Maintenance free
Sprint Filter is the only patented water repellent filter that will prevent liquid substances from passing through, allowing it to be used in bad weather conditions.
P08 WP filter is practically free maintenance.
Cleanable just by compressed air from the motor side out and re-insert it in the air box, no need to wash or oil treatments to retain dust.
If maintained in the correct way, will last for the entire life of the bike and will no longer be necessary to replace it.
For more tech info see enclosed file and this: http://www.sprintfilter.net/en/bike/whysfs