Kitchen Canister Housing O-rings.
Sold individually. Select the number you need for your kitchen filter; one for each canister. If you have a 2-canister, get 2. For a 3-canister, get 3.
Replace every 4 years in under-sink kitchen canister filters.
If the OUTSIDE HOUSING of your filter canisters (into which you put replacement cartridges) are a clear tinted purple, select that option. If your filter CANISTERS HOUSING is white, select that option.
We are not asking for the color of your replacement cartridges.
We are not asking what color O-rings you prefer.