Shelf life- what is the shelf life of the can?

I think the inert gas contained within the can is pretty stable so it probably relies on the shelf life of the can. I usually use mine up before a year goes by. I would expect a can that was used infrequently to last much longer than that.

Can you bring it on a plane, like international routes?

From TSA: You can bring aerosols in carry-on bags if the containers are 3.4 ounces (100 milliliters) or smaller and fit into your liquids bag. You can bring up to one quart-sized bag of liquids, aerosols, gels, creams, and pastes in your carry-on bag. All of the 3.4 ounce containers must fit in a sealed 1-quart, clear plastic, zip-top bag. You can also bring aerosol deodorant in carry-on bags and checked luggage as long as the container is no larger than 3.4 ounces (100ml) and placed in a clear, plastic, sealable bag with other liquids. Aerosol containers in your checked luggage must be protected by a cap, and you should always pack them in plastic zip-top bags.

What is the maximum % oxygen in this gas? 5%? 1%? 10%? thanks.

It should be 0%. The only ingredients listed are argon, carbon dioxide, and nitrogen, no oxgen. Be advised that I've been using this product for years, and am very pleased with it. I usually drink only one 5-oz. glass of wine a day, and so get 5+ servings out of a standard 750 ml (25.4 fl oz). Private Preserve keeps the wine wery well, I believe. I hope this helps.

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🍷 Keep your wine flawless, your gatherings legendary.

GLOBAL 1 CHOICE - Rated the #1 wine preserver worldwide—join the elite circle of wine connoisseurs
TRIPLE PACK VALUE - Set of 3 with 4 extension straws ensures you’re always ready to protect your prized bottles
PRESERVE LIKE A PRO - Unique argon, CO2 & nitrogen mix locks in flavor and aroma without stripping bouquet
EFFORTLESS FRESHNESS - Simple straw and cork method keeps your wine perfectly fresh for multiple days
SUSTAINABLE SOPHISTICATION - Made in the USA with recyclable parts to reduce your carbon footprint

The Private Preserve Wine Preservation System uses a patented blend of inert, medical-grade argon, carbon dioxide, and nitrogen gases to create a protective blanket over your wine, preventing oxidation without compromising flavor or aroma. Rated the #1 wine preserver worldwide, this set of three bottles offers up to 120 uses each, includes extension straws for easy application, and features recyclable components made in the USA—perfect for the eco-conscious wine lover who demands lasting freshness and sophistication.

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