Part no. RHK-0.8.20 Fitment: KTM 50SX 2009-2022 KTM 50SX Mini 2009-2022 Husqvarna TC50 2017-2022 Husqvarna TC50 Mini 2018-2022 GAS GAS MC50 2021-2022 RHK Filters are designed and manufactured to increase airflow whilst ensuring the ultimate level of protection. RHK Filters consist of an outer layer of coarse open-pore foam which catches large dirt, grime and sand particles. The 2nd inner layer of fine open-pore foam aids in catching minute & finer particles whilst delivering maximum air flow.