Competition off-road air filters manufactured in the Netherlands using a special dual-layer foam, formulated for maximum filtration and optimum air flow for improved power. Fits: Honda TRX400EX 2WD SPORTRAX 2002-2007 TRX400FGA FOURTRAX RANCHER 4X4 2004-2007 TRX400X 2013-2014 TRX420FM 4WD RANCHER 2012 TRX420FM1 4WD RANCHER 2014-2020 TRX420FM2 4WD RANCHER 2020 TRX520FA6L 2021 TRX520FM2 2020 TRX520FM6 IRS 2020