Pentek - GAC-20 - 20" x 2.5" Granular Activated Carbon Filter Brand_Aquatec the calcite media is depleted

the calcite media is depleted and the cartridge needs replacement

this dual-media design outlasts standard carbon-only cartridges by 5× and works in water up to 100°F

Monitor taste changes as indicator for replacement

5" diameter cartridges found in most competitors' systems

} The Pentek EP-20BB is a 20" x 4

Pentek - GAC-20 - 20" x 2.5" Granular Activated Carbon Filter Brand_Aquatec the calcite media is depletedThe Pentek GAC 20 is a 20 inch granular activated carbon filter designed for full contact chlorine and taste reduction in whole house and well water systems. Its flow through design with internal expansion pad and 20 micron post filter ensures maximum carbon contact without channeling or bypass. SPECIFICATIONS Pentek GAC 20 Technical Details Dimensions 20" x 2. 5" (2 7 8" OD x 20" length) Filter Media Granular Activated Carbon (GAC) Post Filter 20