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: Honda TRX500FE FOURTRAX FOREMAN 4X4 2012-2013 TRX500FE2 FOREMAN 2017 TRX500FGA FOURTRAX FOREMAN 4X4 2004 TRX500FM1 4WD FOREMAN 2014-2017 TRX500FPAC RUBICON 4WD 2012-2013 TRX500FPM 4WD FOREMAN 2012-2014