FOAM AIR FILTERS: NO TOIL manufactures the World's best 2-stage foam air filters. Using only the best flame-laminated dual-layer foam bonded with the highest quality glue they hand make each foam filter to stand up to the roughest and toughest of any style of riding or terrain. These filters, used with No-Toil foam filter oil, provide the best air filtration system in the world! (Remember: NO TOIL oil washes clean in water and is 100% biodegradable; dirty water can be thrown down the sink. You do not need to use harmful petrol or kerosene to clean your filter. Fits: Kawasaki MULE 2510 Diesel 2000-2002 2004-2005 MULE 3010 KAF620 TRANS 4WD 2005-2008 MULE 4010 2009-2014 MULE 4010 DIESEL 2005-2008 MULE 4010 Diesel 2009-2015 MULE 4010 Diesel Trans 2009-2016 MULE 4010 F1 2015 MULE 550 2000-2005 MULE 600 2005-2012 MULE 610 2009-2016 MULE 610 XC Big Foot 2016-2017