What's the difference between this and the original Active Filtration Bottle?
Why Survivor Filter's American Made Series
What does it filter?
What is the flow rate?
How many gallons of water can this filter produce before needing replacement?
What is the shelf life on this filter?
Where can I access the test reports?
How is this different from the Pro Pump, Straw and Pro X?
So what about virus filtration?