The Luber-finer MXM Force Air Filters with MicroGold Fiber Technology offer durability and reliability by providing 50 percent more dirt-holding capacity on average than standard heavy duty air filters. By providing a cleaning efficiency rating of 99.97 percent trapping particle contaminants most likely to cause engine wear and damage, the new MXM Force Air Filters result in cost savings to the operator by reducing filter changes, labor costs and downtime, while increasing fuel efficiency.