A: Typically one or two years depending upon water quality. Answer provided by:  Eric (1/27/2013)

A: Price was right. Answer provided by:  STEPHANIE (12/26/2012)

A: Depends on the water quality and how much demand is put on the humidifier. I get 1-2 months. Our home was converted to city water from a private well. Both cases I used a water softener and did not see any change in the life of the water pads. Answer provided by:  Edward (11/26/2012)

A: The dimensions of this filter are 13 7/8" x 9 1/8" x 2". Answer provided by:  Janice Seltzer (11/20/2012)