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: GasGas EC300 2021-2022 Husqvarna FC250 2016-2022 FC350 2016-2022 FC450 2016-2022 FC450 ROCKSTAR EDITION 2020-2021 TC125 2016-2021 TE300 2017-2018 TE300i 2018-2021 KTM 125 SX 2017-2019 150 SX 2016-2019 250 SXF 2016-2019 250 SXF FACTORY EDITION 2015-2017 250 XCF 2016-2019 300 XC 2018-2019 300 XC TPI 2020-2022 350 SXF 2016-2019 350 XCF 2016-2019 450 SXF 2016-2019 450 SXF FACTORY EDITION 2015-2017 450 XCF 2016-2019