• Two-stage filter system - the first-stage removes up to 85% of incoming dust • The first-stage in the style B has a tangential air inlet • Ready to accept filter service indicator • Durable, long-lasting finish • Vacuator™ valve automatically releases the pre-cleaned dust • Style B is comprised of two materials: injection molded, high strength polymer service cover and a metal body (the service cover is accessed by latches) • Mounting the unit directly to the engine is not recommended, excessive engine vibration can cause premature air cleaner structural failure • Filters have RadialSeal™ sealing technology that creates a reliable, critical seal and makes servicing easy