The A.O. Smith’s AO-FF Drinking Water Purifier filters water from your refrigerator/freezer. It reduces up to 99% of 77 harmful contaminants such as chlorine, chloramine, lead, mercury, BPA, PFOA/PFOS, sediment and cysts which causes to the reduction of turbidity and increase in water quality. The water goes through four filtration methods but nothing is added to your water during the filtration process. It is suitable for households with 3 people.


Filtration Methods:

Filtration Method 1:Activated Carbon
Filtration Method 2:Catalytic Carbon
Filtration Method 3:Ion Exchange
Filtration Method 4:Mechanical Filtration



  • Filters contaminants that you can see, smell and taste, and those you can’t
  • NSF Certified to standards 42, 53, 401 and 473.
  • Can filter up to 200 galloons of water or 6 months
  • Easy installation
  • 1-year warranty



Height:8.75 in.
Width:4 in.
Depth:3 in.
Filter Life:6 months
Flow Rate:0.5 (Gallons per minute)
Min. Feed Temp:40° Fahrenheit
Max. Feed Temp:90° Fahrenheit
Product Weight:2 lbs.