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.
Specifications:
- 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
