Water filtered through very slowly which would have been fine and well worth the time if the pitcher actually worked as advertised. I bought this mainly to filter out fluoride from the water prior to distilling.
I have since read some reviews from people who actually tested the water for fluoride removal and found that it was NOT removed. I did test for TDS (total dissolved solids). I tested my tap water and then ran that same tap water through the Aquagear filter. There was actually a little bit higher amount of TDS in the water AFTER filtering. If the filter is not removing at least a percentage of solids then I tend to believe the comments stating that fluoride was not removed are true.
This is a very expensive plastic pitcher and poorly engineered at that which you can read about in many comments. The replacement filters are also very expensive. I decided to cut my losses and threw away the filter and cup. Now I have a very expensive plastic pitcher which I don't really need. I will likely toss it soon because it makes me mad every time I see it.