... customized and OEM.Each model has 3 grades for diffrent request:K1, K2, K3 K1K2K3frameGalvanized ... and sand for fuel to ensure adequate clean air access to the cylinder, also as air intake and ... Ming Auto FIlter, specialized manufacture air filter. We are looking for the long-term cooperation with you ... and English) SINOTRUK Styer2448 automotive Air Filter for heavy duty truck,auto--Galvanized mesh&cap