BLU Insulated bottles
These vacuum insulated flasks integrate advanced filtration technology to provide alkaline water on the go. Each 26 oz bottle is designed to remove contaminants while maintaining temperature
Listed here: 3 bottles
Collections Filtered water bottles Stainless steel bottles
Integrated pH filter
The internal filter system creates alkaline water while you hydrate.
High contaminant removal
The filtration technology removes 99.99% of contaminants from the water.
Vacuum insulated steel
The stainless steel flask construction maintains water temperature for hours.
First-hand notes
I love having alkaline water that stays cold all day in this 26 oz flask.
The filter gives me peace of mind knowing 99.99% of contaminants are gone while I'm traveling.
This is the best all-in-one solution for clean water at the gym since it's both filtered and insulated.
Advanced Filtration Performance
BLU flasks combine a 26 oz stainless steel vacuum insulated body with a specialized filter. These units are manufactured in the USA to high performance standards.
- 26 oz capacity
- pH alkaline filtration
- 99.99% contaminant removal
- Vacuum insulated stainless steel
- Made in the USA
- All-in-one flask design




The set
BLU focuses on Blue insulated bottles, Stainless steel bottles, Filtered water bottles, Black insulated bottles in the current models.
Construction
BLU keeps the build language in the product names: Blue alkaline water filter flask 26oz; Black regular filter water flask 26oz; Blue regular filter water flask 26oz.
Made to use
The range is aimed at the uses named in Blue insulated bottles, Stainless steel bottles, Filtered water bottles, Black insulated bottles, not a catch-all.
Worth comparing
3 bottles listed here give you a side-by-side on Blue insulated bottles, Stainless steel bottles, Filtered water bottles, Black insulated bottles.
BLU Questions
What is the capacity of a BLU flask?
All BLU All-in-ONE models come in a 26 oz size. This capacity is standard for their vacuum insulated stainless steel line.
What does the filter remove?
The integrated filter is designed to remove 99.99% of contaminants. This provides clean water directly from the insulated flask.
Does BLU offer alkaline water options?
Yes, the pH filter model is specifically designed to create alkaline water. It uses the same 26 oz vacuum insulated stainless steel body as the regular models.
Where are BLU bottles manufactured?
These vacuum insulated stainless steel water bottle flasks are made in the USA. This applies to both the regular and pH filter versions.