Chemex 8 Cup Filter Size

2 reusable permanent cone pour over coffee filters 2 3 cup stainless steel mesh metal coffee filter 2 for chemex hario v60 ovalware cuisinart coffee maker and other carafes 4 8 out of 5 stars 7 8 99 8. Chemex filters are completely sold out everywhere where i m at none from chemex themselves amazon local coffee shops retailers etc so it seems like i need to result to alternative filters. Has anyone tried an 02 or 03 hario filter with an 8 cup chemex.