FUNtainer Replacement Spout Locking Lid

Exact manufacturer code-level declaration: F401. Bottle model-code family, not exact size or vintage. Locking ring variant; includes spout gasket and O-ring; don't conflate with ordinary spout. Manufacturer documentation, not independently fit-tested.

Exact manufacturer code-level declaration: F410. Bottle model-code family, not exact size or vintage. Locking ring variant; includes spout gasket and O-ring; don't conflate with ordinary spout. Manufacturer documentation, not independently fit-tested.

Exact manufacturer code-level declaration: F405. Bottle model-code family, not exact size or vintage. Locking ring variant; includes spout gasket and O-ring; don't conflate with ordinary spout. Manufacturer documentation, not independently fit-tested.

Exact manufacturer code-level declaration: F411. Bottle model-code family, not exact size or vintage. Locking ring variant; includes spout gasket and O-ring; don't conflate with ordinary spout. Manufacturer documentation, not independently fit-tested.

Exact manufacturer code-level declaration: F421. Bottle model-code family, not exact size or vintage. Locking ring variant; includes spout gasket and O-ring; don't conflate with ordinary spout. Manufacturer documentation, not independently fit-tested.

Exact manufacturer code-level declaration: GP404. Bottle model-code family, not exact size or vintage. Locking ring variant; includes spout gasket and O-ring; don't conflate with ordinary spout. Manufacturer documentation, not independently fit-tested.

Manufacturer replacement-lid page explicitly lists F410, and exact official F4105CR6 sales listing identifies a 12oz bottle. Fit is maker-documented code-level inference to an exact-prefix retail SKU, not physically tested. Spout lid cannot use straw; lid accessories do not establish original factory spare SKU.

Thermos Taiwan manufacturer lists F41102KU-SEBK7-11 470ml exact item; US manufacturer replacement product explicitly lists F411 prefix. Cross-region code-level manufacturer claim, not direct on-bottle SKU fit test. No Straw Lid edge for F411. No original-lid-part equivalence asserted.

Thermos Canada exact manufacturer item F40525PP6 confirms 410ml steel FUNtainer; Thermos US product page lists F405 prefix compatible with spout-locking replacement lid. Cross-market maker-code inference, not physically tested. Straw top vs spout components not interchangeable; no original factory accessory sale SKU established.