Need respirator recommendations

I’m getting ready to primer some areas of my car and I want to buy a new respirator that will be good for epoxy and urethane. I have an old 3M that’s ok, but I want something better. I’m not afraid to spend a little money, but I want something I can easily get cartridges and parts for. Any suggestions? I there are a lot of opinions on this, but I know there are a lot of guys on FABO with much experience than I have. Thanks!