Part no. RHK-0.2.17 Fitment: Kawasaki KX 125 1992-1993 Kawasaki KX 250 1992-1993 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.