1Replace the cartridge one to two times a year.
Follow your appliance’s owner’s manual for specific instructions about replacement frequency.
2Thoroughly clean the canister that houses the cartridge twice per year.
3Lubricate the canister’s o-ring with food-grade silicone grease or a comparable lubricant annually.
5Dispose of your self-contained water filter (a filter without a removable cartridge) when it reaches the end of its useful life.
This type of filter generally needs replacement after six months.