FAQ
Looking for the filtration system that best suits your needs? Check out our guide to choosing the right water filter.
Coldstream FTO+ filters: Which water purifiers are they compatible with?
Coldstream FTO+ Filter Compatibility
What is the most efficient water filter?
How do I choose the best water filter for my situation?
Why Slight Marks Can Appear on Stainless Steel (and How to Easily Remove Them)
The stainless steel used at Pure Filters is of high quality and...
Understanding the capacities and dimensions of water purifiers Pure Filters
Why your measurements may differ from the advertised values.
Are Coldstream cartridges effective at filtering PFAS?
Find out if Coldstream filters out PFAS.
Coldstream FTO+ filter flushing protocol and tank cleaning
For tasteless water with no manufacturing residues, follow this...
How do you separate nested tanks during transport?
The tanks are nested for transport and can be difficult to separate.
Frequently asked questions about filtration testing and Pure Filters systems
Answers to the most common questions.