Geneva Invention Silver Medal Diploma
International recognition for OASSAY's purification innovation.
99.999% filtration . Instant flow . Up to 18ml/s . Improved taste
How it Works
Dual-Stage,
99.999% Purification,
Superior Taste.
Next-generation water purifier, lab-tested for exceptional quality. Powered by NanoFlex Carbon + 0.1 μm micro-membrane for consistently pure and great-tasting water.
Dual Purifier, Ultra Clean,
Superior Taste
Next-generation water purifier, lab-tested for exceptional quality. Powered by NanoFlex Carbon + 0.1 μm micro-membrane for consistently pure and great-tasting water.
Trusted by Real Reviews
@The Survival Outpost
"From clean wilderness creeks to the dirtiest urban water sources. Oassay FlexFlow performs in true survival conditions."
@Build The Dream
"I can just put close it up and drink. This is so much better than some sort of straw or anything like that."
@Louie Seddon
"It's lightweight simple to use and built for adventures on the move."
@Outdoors Survival Hub
"It's perfect for bushcraft, camping, hiking, and survival situations."
@Neil Begasa
"Whether it's for hiking, travel, or daily use, this bottle is designed to go where you go."
@Chloe
"This OASSAY bottle allows you to drink water from ANYWHERE!"
Every Sip, Clearly Safer.
FlexFlow's advanced purification is powered by OASSAY's patented NanoFlex Carbon, proven through rigorous lab testing and honored with the Geneva Invention Silver Award. Backed by real data and global recognition, it delivers safe, effective, and trusted performance in every sip.
Tested, Awarded, Trusted by Data.
Antibacterial Performance Test Report
Independent lab verification of antibacterial performance.
Culture state colony count
Visual evidence supporting purification and antibacterial claims.
Every Sip, Clearly Safer
Backed by OASSAY’s patent-pending NanoFlex Carbon technology, lab-tested and awarded the Geneva Invention Silver, FlexFlow ensures safe, reliable purification with every sip.
▌Tested, Awarded, Trusted by Data. ▌
Geneva Invention Silver Medal Diploma
Antibacterial Performance Test Report
Culture State Colony Count
