Refrigerator manufacturer never provides extra water filter to replace your fridge water filter, you should replace your refrigerator water filter in six months regularly.  Jenn-Air refrigerator water filter manufactured by Maytag or Whirlpool, both of them label their filters with the name “Jenn Air”.  Jenn Air is a leading fridge in the USA market, you should find perfect water filter for your Jenn Air refrigerator. You can find your filter model number to choose one from your site. Your fridge is a valuable house hold, so you should replace it every six month. Jenn Air filter remove contaminants, lead, mercury, industrial chemicals and asbestos. Each water filter provides about 300 gallons of pure water.