Tier1 20 Micron 10 x 4.5 Water Filter | Carbon Block - Upflow Granular Activated Whole House Cartridge | Replacement for Pentek GAC-BB, 155153-43 | 4.5 x 10 Water Filter (2-Pack)

★★★★★ 4.9 47 reviews

US$15.44
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US$15.44
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Management number 218769600 Release Date 2026/05/03 List Price US$15.44 Model Number 218769600
Category
  • COMPATIBLE REPLACEMENT MODELS – This 20 micron 10 x 4.5 granular activated carbon cartridge replaces Pentair GAC-BB, 155153-43 and fits most standard 4.5” x 10” whole house filter housings.
  • UPFLOW GAC FILTRATION DESIGN – Upflow configuration helps maximize contact time between water and carbon media, supporting chlorine taste and odor reduction throughout the home.
  • 20 MICRON SEDIMENT SCREENING – Integrated outer wrap helps capture larger particulate before water enters the carbon bed, supporting balanced performance in municipal water systems.
  • DESIGNED FOR WHOLE HOUSE TASTE & ODOR CONTROL – Commonly installed at the point of entry to address chlorine-related taste and odor concerns affecting showers, sinks, and appliances.
  • SERVICE LIFE DEPENDS ON WATER USAGE – Replacement timing varies based on chlorine levels and water consumption. Monitoring taste changes or flow reduction helps determine proper cartridge replacement.

UPC 810004472495
Brand Name Tier1
Unit Count 2.0 Count
Manufacturer Tier1
Model Number 810004472495
Material Type Granular Activated Carbon
Number of Items 2
Product Benefits Helps reduce chlorine taste and odor across the home, Supports whole house municipal water treatment applications, Upflow carbon design increases water-to-media contact time, Compatible with most standard 10 x 4.5 whole house housings, Designed for residential point-of-entry systems,
Manufacturer Part Number TIER1-GAC-BB
Item Dimensions D x W x H 5"D x 5"W x 10.5"H

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