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 KX100 1995-2005 KX80 1991-2000 KX80 BIG WHEEL 1991-2000 KX85 Big Wheel 2001-2022 KX85 Small Wheel 2001-2022 Suzuki RM100 2003-2006