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. Fits: Kawasaki KFX400R 2WD 2003-2007 Suzuki LTA400 KING QUAD 2X4 2008-2015 LTA400AS KING QUAD 4WD AUTO 2017 LTA400F ASi KING QUAD 4X4 2016-2021 LTA400F EIGER 4WD 2002-2008 LTA400F KING QUAD 4WD 2008-2020 LTA400FSi KING QUAD 4WD 2017-2020 LTA400M EIGER 2WD 2002-2007 LTA500F VINSON 4WD 2002-2008 LTF400 EIGER 2WD 2002-2007 LTF400 KING QUAD 2WD 2008-2009 LTF400F EIGER 4WD 2002-2007 LTF400F KING QUAD 4WD 2011-2021 LTF500F VINSON 4WD 2003-2009 LTZ400 QUADSPORT 2003-2019