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Whirlpool 4373531 Ultrafine Block Carbon Filter

Part Number: 4373531
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The Whirlpool 4373531 Ultrafine block carbon water filter replacement is used with the CoolerMATE CMRO-3TFC reverse osmosis system and the FaucetMATE FM-2 CTO and CoolerMATE CM-2 CTO filter systems. 

  • The Ultrafine 4373531 filter reduces bad taste and odor
  • Reduces chlorine
  • Replace every 6-12 months
  • Used in FM-2, FM-350, CM-2 and SQC systems

California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov