The Scepter SmartControl Canister for O-Ring replaces old, leaking O-rings with nozzle O-rings instead of replacing the entire nozzle or tank. Compatible with Scepter SmartControl canisters for gasoline, diesel, kerosene and other fuels/utilities. These O-rings are for use with Scepter SmartControl cans only. They will not fit other makes, models or styles. Compatible with Scepter SmartControl can tips (including FR1G101, FR1G201, FSCG501, FSCG502, FR1D501, FSCD501, FSCK501, FR1K501, 00271R). Not compatible with other styles of cans or nozzles.