Using only the best flame-laminated dual-layer foam bonded with the highest quality glue No-Toil handmakes each foam filter to stand up to the roughest and toughest of any style of riding or terrain. Note: No-Toil air filters 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. No Toil oil is 100% waterproof - until water is mixed with No Toil cleaning crystals). Fits: Yamaha TTR125 BIG WHEEL 2002-2004 TTR125 E SMALL WHEEL 2005-2018 TTR125 LWE BIG WHEEL 2005-2021 TTR125 SMALL WHEEL 2002-2004