Panasonic WES9068PC Men's Electric Razor Replacement Inner Blade
Panasonic Replacement Inner Blade for ES-LA93-K, ES-LF51-A, ES-SL41, ES-RF31-S, ES-LT41-K, ES-LT71-S, ES8103S, ES8243A, and older shavers ES8101, ES8109S, ES8228S, ES8249, ES8168, ES8162, ES8164, ES8167.  It is recommended that you replace the outer foil at least every year to maintain your shaver's cutting performance and the inner blade every two years