[Bob434]

[[If you use the bottle without the filter it remove 0 per cent of pathogens, bacteria and viruses.]]

Not true- some pathogens, bacteria and viruses stick to the sides of the bottle

[treetopsandroofs]

I believe there was a comma and an “s” missing from the post to which you responded:

If you use the bottle without the filter, it removes 0 per cent of pathogens, bacteria and viruses.