20-Pack CCZ NK20 Nickel Screen Earbud Filters - Mesh Replacement for in-Ear Headphones, Anti-Dust and Sweat-Resistant Earphone Accessories,CCZ in-Ear Earphone Protective Filt (Silver, 3.7mm)

Sorry for the delay in replying, in the middle of a move. 3.5 mm should be the size that fits best. I ordered theses and they work but need to be smaller. I also recommend using metal tweezers not the cheap plastic ones. metal with mesh metal with container