Pre-Oiled Filter - Yamaha WR250F/450F '03-

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).