Yes, you can fly with it. Here’s exactly how.
One of the most common questions from first-time Water-to-Go owners: “Can I take this through airport security?” The answer is yes, absolutely — with one simple rule. Empty it before you go through security. That’s it.
Security Screening
Airport security regulations in Australia, New Zealand, and internationally are consistent on this point: empty water bottles are permitted through screening. It doesn’t matter that the bottle contains a filter — the filter is not a liquid and doesn’t trigger any restrictions. Simply empty your bottle before joining the security queue, and it will pass through the X-ray without issue.
In over a decade of global use, Water-to-Go bottles have passed through airports on every continent without problems. The filter may look unusual on the X-ray, but security staff are familiar with filter bottles. If asked, simply explain it’s a water filter — they’ll wave you through.
Filling Up Airside
Once through security, fill your bottle from any airside water source: bathroom taps, water fountains, or water bottle filling stations (increasingly common in modern airports). The filter will handle any chlorine taste and give you clean water for the flight.
This alone saves you from buying overpriced bottled water in the departure lounge. Airport water bottles typically cost $4–$6 AUD. Over a few trips, your Water-to-Go bottle pays for itself just in airport savings.
In-Flight Hydration
Aircraft cabins have extremely low humidity — typically around 10–20%, drier than most deserts. Dehydration on long flights is real and contributes to jet lag, headaches, and fatigue. Having a full bottle of filtered water at your seat means you’re not waiting for the cabin crew to bring a tiny plastic cup.
For long-haul flights, the 75cl Eco Active is the ideal size: big enough to last a few hours between refills, compact enough to fit in a seat-back pocket. Ask the cabin crew to fill it from their galley tap during the flight — most are happy to oblige.
Arriving at Your Destination
When you land, your filter bottle is already working. Fill from the airport bathroom tap and you’ve got safe drinking water before you even leave the terminal. No searching for a shop, no fumbling with unfamiliar currency, no plastic waste from your first hour in a new country.
