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Pentek 11" × 2½", ¼" FNPT, Inline GAC Cartridge with Hollow Fiber Membrane

Model #: GS-210RO-MF-B, Part #: 655094-43

NSF® Certified
NSF 53 Certified

Pentek GS-210RO-MF Reverse Osmosis Inline Post Filter uses hollow fiber and Fiberdyne technology to reduce heterotrophic bacteria that can build up in bladder tanks and cause a bad taste as well as chlorine. Each inline filter is required to meet Pentair's strict performance requirements prior to shipment.


  • Design integrates two industry leading technologies; Fiberdyne and Hollow Fiber
  • Membrane filtration provides 99.9999% reduction of bacteria by mechanical means
  • Inline design simplifies retrofit and upgrade to existing RO systems
  • Performance claims supported by third party testing
  • Designed with 1/4" FNPT threaded connections
  • NSF/ANSI Standard 53 certified to reduce cysts such as Cryptosporidium and Giardia by mechanical means