Thermos Spare Parts
Flasksonline are the exclusive seller of genuine Thermos parts in the UK and offer all that are available.
Due to their fragile nature Thermos do not supply replacement glass liners.
Each flask has a unique stopper and cup so please check carefully before ordering.
Thermos do not sell any replacement seals for any of their items, only the complete stopper.
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Light & Compact 1.0L Flask & Extra Stopper
free delivery

Light & Compact stopper fits 0.35,0.5 and 1.0L sizes
free delivery

Mondial / Premier/ Weekend/ Eclipse Thermos Glass Lined Flask stopper
free delivery

Ultimate 2 Part Stopper - Fits NEW 0.9L & 0.5L Flasks
free delivery

ThermoCafe 1.0L Flask & Extra Stopper
free delivery

Twist and Pour stopper fits 1.0l
free delivery

ThermoCafe 0.5L & Extra Stopper
free delivery

Twist and Pour stopper fits 0.35 and 0.5 sizes
free delivery

Everyday Steel Auto stopper 1.0l
free delivery

Everyday Steel Auto Stopper 0.35 and 0.5l sizes
free delivery

Thermos Work 1.2l or King 1.2l flask stopper
free delivery

Thermos Stainless King 0.47L or Hercules Flask Stopper
free delivery
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Stainless King Food Stopper with Spoon 0.47L
free delivery

Paris Carafe stopper Black
free delivery
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Paris Carafe stopper White
free delivery

Thermos Filtration Bottle Cartridges - Pack of 2.
free delivery

Thermos Stainless King Food Flask Cup Fits 0.47L and 0.71 L
free delivery

Thermos Light and Compact cup 1.0l
free delivery

Thermos Light & Compact 0.35L & 0.5L Cup
free delivery

Thermos Rock 1.0l Flask Cup
free delivery

Thermos Ultimate 0.9L Cup
free delivery

Thermos Ultimate Flask 0.5L Cup
free delivery

Thermos King Flask Cup 0.47L Size
free delivery

Thermos Stainless King Flask Cup 1.2L Size
free delivery

Thermos Work Flask 1.2l Cup
free delivery

Thermos Hercules (Floating Flask) Cup
free delivery

Thermos Spoon for Stainless King Food Flask
free delivery

Replacement Lid for Food Flask with Microwaveable Container
free delivery

Thermos Stainless King Travel Tumblers and Mugs Replacement DrinkLock™ System
free delivery

Thermos Direct Drinks Bottle Lid Stainless Steel
free delivery

Discovery Flask 0.47L Cup White
free delivery
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Discovery Flask 0.47L Black Cup
free delivery

Mondial wide neck food flask stopper
free delivery
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FUNtainer Lid & Mouthpiece Set Black
free delivery
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FUNtainer Lid & Mouthpiece Set Pink
free delivery

Replacement Mouthpiece for FUNtainer bottles
free delivery

Replacement straws Intak 355ml - Pack 3
free delivery

Replacement Straws Intak 530ml - Pack of 3
free delivery

Replacement Straws - Pack of 3
free delivery

Straws for Flip Top Beakers pack of 3
free delivery

Hydro Active Sports Bottle Lid Pink
free delivery

Hydro Active Sports Bottle Refill tube 450ml Pink
free delivery

Hydro Active Sports Bottle Refill tube 700ml Blue
free delivery

Hydro Active Sports Bottle Refill tube 700ml Charcoal
free delivery