No Toil Pre-Oiled Air Filter for Polaris Trail Boss 325 2x4 2001-2002

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, Second-hand with No-Toil foam filter oil, provide the best air filtration system in the world!