HIFROM(TM AIR FILTER Fit For Honda GX340 GX390 11HP & 13HP ENGINE New Aftermarket # 17210-ZE3-505, 17210-ZE3-010, 100-012, 30-417, 19-7712 5252697, 2893907 1. New high quality aftermaket replacement parts 2. Fit for GX340 GX390 11HP & 13HP ENGINE 3. Replace # 17210-ZE3-505, 17210-ZE3-010 4. Replace # Stens:100-012, Oregon:30-417, Rotary:19-7712 5252697, 2893907 5. HIFROM air filter from Professional Factory; Professional technical support; if you unsatisfy, can return no risk