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Carbon CTO
Clean drinking water starts with the right filter. Our Carbon CTO replacement filters are designed to improve taste, reduce odors, and target common contaminants found in municipal and well water. These carbon block cartridges use compressed activated carbon to trap chlorine, sediment, and other unwanted particles. Many models also support cyst and lead reduction when paired with compatible systems. With multiple sizes and micron ratings available, you can match the right filter to your existing housing or reverse osmosis setup.
About Our CTO Carbon Block Filtration Cartridges
Carbon block filtration products are known for their dense structure and consistent performance. Unlike loose granular carbon, a solid carbon block forces water through tightly packed media for better contact time. This design helps reduce chlorine taste and odor while supporting cleaner, clearer water at every tap. Our selection includes coconut shell carbon options, standard 2.5 x 10 cartridges, whole house sizes, and compatible replacements for popular systems. You can also choose multi-pack options for convenient scheduled changes throughout the year.
Why Choose iFilters for Carbon CTO Products?
At iFilters, we focus on offering dependable replacement filters that fit a wide range of residential and light commercial systems. Our inventory includes trusted brands and compatible alternatives, so you can shop with confidence. Detailed product listings make it easy to confirm dimensions, micron ratings, and compatibility before you buy. Many Carbon CTO options are available with Auto Ship, helping you stay on schedule without last-minute orders. We also keep popular items in stock, so your water system stays running without unnecessary downtime.
Shop Carbon CTO online today!
Filters
Smart Pack CB6 2-Pack 0.5-Micron Carbon Block Under-Sink Water Filter Replacement | Multipure Aquaversa Compatible – 2.5″ x 6.5″
5.0 / 5.0
4 Reviews
Deliver fresh, better-tasting water to your home with the Smart Pack QC-CB6 2-Pack Carbon Block Replacement Filters, made for Multipure Aquaversa a...
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RP-3500 Replacement Water Filter, 1000 Gal, Compatible with Frescapure 3500 WF0451
RP-3500 Replacement Water Filter, 1000 Gal, Compatible with Frescapure 3500 WF0451
5.0 / 5.0
4 Reviews
iFilters RP-3500 is a 100% compatible alternative replacement to the WF0451 filter used in the RP 3500 water filtration systems. Made from certifie...
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Sale
Hydro Guard HDG-CB6-14 (CB6) Carbon Block Water Filter Replacement Cartridge NSF-certified
Hydro Guard HDG-CB6-14 (CB6) Carbon Block Water Filter Replacement Cartridge NSF-certified
5.0 / 5.0
4 Reviews
Hydro Guard HDG-CB6-14 Carbon Block Water Filter – CB6 Compatible Replacement Cartridge (NSF) The Hydro Guard HDG-CB6-14 Carbon Block Water Filter ...
View full detailsSmart Pack Royal Prestige Replacement Filter – 0.5 Micron Coconut Shell Carbon Block Under-Sink Water Filter
5.0 / 5.0
4 Reviews
Enjoy cleaner, better-tasting water with the Smart Pack Royal Prestige Carbon Block Replacement Filter. Designed for FrescaPure 4000, 4500, 5000, 6...
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