Norpro Compost Keeper Filters

These filters are specifically designed for Norpro ceramic compost keepers, specifically models #83, #93, #93R, and #93EB. They measure 5.5 inches in diameter, so please verify your model number or measure your current lid insert before purchasing.

For optimal odor control, we recommend replacing the filter every six months. Depending on how frequently you use your compost pail or the types of food scraps you add, you may find you need to swap them out slightly sooner.

No, these charcoal filters are not washable. Attempting to wash or rinse them will compromise the charcoal's ability to absorb odors, so it is best to simply discard the old filter and replace it with a fresh one.

Yes, the best way to extend the life of your filter is to ensure all food scraps are completely cooled before adding them to the pail. Excess heat and moisture can saturate the charcoal more quickly, reducing its effectiveness.

Yes, each package contains two replacement charcoal filters, which provides a one-year supply if you follow the recommended six-month replacement schedule.