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 riding or terrain. NO TOIL filters can be used with NO TOIL biodegradable clean in water cleaner providing the best air filtration system in the world. Fits: Kawasaki MULE 2510 Diesel 2000-2002 2004-2005 MULE 3000 2001-2008 MULE 3010 2001-2008 MULE 3010 KAF620 TRANS 4WD 2005-2008 MULE 3010 KAF950 DIESEL 2006 MULE 4000 2009-2014 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 PRO FXT 2015