Air Lock Soda Sealer – FRESHeTECH Portable Handheld Carbonation Keeper – 5 CapsMore Info
From the product description, check product page for current description, price and availability:
- KEEP DRINKS FIZZY – Keep sparkling water sparkling and bubbly drinks bubbly with this patented air pressure technology which maintains CO2 levels inside the bottle and preserving carbonation.
- FOR ALL BOTTLES – Each stopper in this set works on any plastic soda bottle, from the 12 oz to the 20 oz to the 1 liter and even the 2 liter bottles.
- DISHWASHER SAFE – These five reusable caps are each dishwasher safe and, once they cover your carbonated beverage, are sure to keep soda fresh and fizzy for weeks after opening.
- EASY TO USE – Once opened, replace the old soda lid with a soda sealer and press down by pumping. 8 to 20 pumps are usually enough.
- SMART TOP – Turn the dial on the built-in calendar to the date it was opened so you know which one to drink next.
These are intended to by used for soda. They should work just as well to convert compatible PET bottles into growlers of sorts. Note that these pose an oxidation risk because they use regular air, not CO2. Along those lines, I would only use these when you’re sure the beer will be consumed right away.
Air Lock Soda Sealer – FRESHeTECH Portable Handheld Carbonation Keeper – 5 Caps – note that multiple variations of this product may be available, as such a different version may appear at this link
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Make sure the components you use are compatible and rated for your intended application. Contact manufacturer with questions about suitability or a specific application. Always read and follow manufacturer directions.