Just received a replacement for my Platypus GravityWorks water filter (after foolishly leaving it in my camping bag over the winter, which was kept outside...ah nuts). This extremely helpful installation diagram was provided with it - so you take the old filter out, and put the new one in. Huh! Seriously though, I think the diagram was intended to fill space between all their statements absolving them of any liability if you were to fall ill after using their filter.
