Product review (1 stars): You want to take 30 seconds to fill one glass?
I bought 2 of these last year and finally installed the first one last month.  The flow rate was considerably less than the previous filter.  It takes 30 seconds just to fill one glass of water.  Thinking it may have been a faulty filter, I tried the other one with the same results.  There is a small ramp at the water connection that opens the water valve when the filter is twisted into place.  The ramp is considerable less on the replacement filters causing the water flow rate to be less.  Do not buy unless you have lots of time to fill glasses with filtered water.  You want to fill a pitcher?  Forget about it!