Feature: It is Perfect trim and shave, Change foil every 12 months for best Result Best performance that feels great Wet and dry use; for use in shower and easy cleaning 100% waterproof for shower use and easy cleaning, makes it convenient to trim and shave your body in the shower and easy to clean Condition: New Replacement For Shaver Models: ES-RT33 ES-SL31 ES-RT34 ES-RT36 ES-RT37 ES-RT47 includes : 1X Razor Screen Foil (No retail package)Superior aftermarket replacement by Norheirui, any use for the brand name or model designation for this product is made solely for purposes of demonstrating compatibility.