Filter Fit For Honda GX340 GX390 11HP 13HP Engine Replacement Parts vehicle Fit For Honda GX340 11HP GX390 13HP engine box, housing inner contour mounting rim Core safe material, dense layered filter paper; flexible foam pre filter; outer frame, holds stable airflow under long working hours Smooth control stable feedback, balanced density structure, delivers steady supply to maintain consistent engine running output Simple installation easy , flexible sealing border design, quick removal for regular dust clearing filter Reliable craft standard dimension, unified filter height; accurate inner hole size, fits engine cleaner outline