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$6.95
The final polishing stage — reduces chlorine, chloramine, and VOCs while improving taste and odor, so the water leaving your system tastes clean and finished.
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Stage
Final · Polishing
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Size
10″ × 2.5″
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Micron
10 µm
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Life
3–12 months
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Fits
Standard 10″ housings
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The CTO (Chlorine–Taste–Odor) carbon block is a final-stage polishing filter. Its dense extruded carbon reduces chlorine, chloramine, and VOCs, and cleans up any lingering taste and odor so the water leaving your system is crisp and finished.
Because it’s a compressed block rather than loose granular carbon, water contacts more carbon surface with fewer channels — giving consistent reduction and a small amount of particulate filtration at 10 micron. It’s the standard, cost-effective choice for the last stage of a 3-stage whole-house or under-sink RO setup.
Built to standard 10″ × 2.5″ (9⅞″ × 2.5″) dimensions, it drops into common standard-size housings. For a premium, cleaner-tasting finish, the coconut-shell CBCO-10-5 block is the step-up option.
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Reduces chlorine, chloramine & VOCs
Improves taste and odor
Dense carbon block — consistent contact, fewer channels
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10-micron block adds light particulate filtration
Fits most standard 10″ filter housings
Cost-effective standard for the final stage
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What this cartridge targets — and what it isn’t built for.
The full MyWaterClub 10″×2.5″ range by stage. Your current filter is highlighted.
This is a polishing stage, not a pre-filter. Put sediment and any specialty media (iron, KDF) before it. The CTO block does its best work cleaning up taste and odor at the end of the line.
Not for iron or rotten-egg smell. If you’re fighting iron or H₂S, use the CATKDF85-10 as your carbon stage instead of relying on the block.
Want the best-tasting water? Step up to the coconut-shell CBCO-10-5 — higher adsorption efficiency, cleaner taste, and lower ash content than a standard block.
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Premium 3-stage
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Best taste upgrade
Swap CTO-10 for coconut CBCO-10-5
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Iron + sulfur (well water)
Use CATKDF85-10 as Stage 2, keep CTO-10 last
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| Weight | 0.9 lbs |
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| Dimensions | 10 × 3 × 3 in |
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