The new Carbon Filter 2.0 design released in June 2021 features this replacement filter cartridge. If you purchased one of our original filters contact support for a discount code to get 20% off upgrading to this new model.
We are frequently asked how long a carbon filter will last before needing a replacement, and it just depends on how much you use your printer and the materials you are printing.
Typically carbon filters work fine up to the point that they become saturated, and then they don't work at all. So if you suddenly start smelling plastic and you didn't before, it's a good idea to try swapping out your filter.