As the official replacement filter set for iSpring direct connect undersink water filtration system US21B, this economical filter pack consists of one 10”x4.5” CTO carbon block filter(FC15B) and one 10”x4.5” GAC+KDF water filter(FG15B-KS). 1st stage…

Out of stock
  • Color
  • White
  • Size
  • F2US21B
  • Gtin
  • 810004172210
  • Mpn
  • F2US21B
  • Condition
  • new

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