Bottle model details
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Thermos · Replacement lid
Exact manufacturer code-level declaration: F401. Bottle model-code family, not exact size or vintage. Includes lid and silicone upper straw only; LDPE stem separate. Not factory original attribution. Manufacturer documentation, not independently fit-tested.
Thermos · Replacement lid
Exact manufacturer code-level declaration: F401. Bottle model-code family, not exact size or vintage. Non-straw spout lid; includes spout gasket and O-ring; cannot be used with straw. Product availability varies. Manufacturer documentation, not independently fit-tested.
Thermos · Replacement 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.
Explore independent accessory makers that mention Thermos bottle families. Their claims are research leads, not verified matches for this exact bottle.