PUREPLUS 5 Micron 10 in x 4.5 in Whole House CTO Coconut Carbon Filter

In this review of the PUREPLUS 5 Micron 10 in x 4.5 in Whole House CTO Coconut Shell Activated Carbon replacement cartridge, the bottom line is simple: this is a solid choice for households using municipal tap water that want reliable chlorine, odor and sediment reduction across the whole house. The reviewer found the filter effective at improving taste and removing chlorine and visible particulates, and appreciates the IAMPO certification to NSF/ANSI 42 and additional food-grade and BPA-free assurances. It is most appealing to users who need a standard 10 in x 4.5 in replacement that fits common heavy-duty housings.

Key Features

• Certified materials: IAMPO testing to NSF/ANSI 42 assures reduced chlorine and improved material safety for drinking water use.
• Coconut shell carbon: The 100% coconut shell activated carbon block provides strong adsorption for chlorine, odors and taste improvement.
• Fine filtration: Sintering technology and a 5 micron rating trap sand, rust and sediment for clearer water at fixtures.
• High capacity: Built to filter up to 30,000 gallons depending on water quality, supporting average household use before replacement.
• Broad compatibility: Sized for standard 10 in x 4.5 in housings and compatible with many common brands and models.
• Quality control: Manufactured under ISO9001 processes with pressure and water hammer tests to ensure durability.

Who It's For

This filter is best for homeowners on municipal or treated tap water who want whole-house reduction of chlorine, bad taste and common sediments without changing plumbing. It suits anyone with a standard 10 in x 4.5 in heavy-duty filter housing who values certified materials and a coconut shell carbon block for adsorption performance.

It is not the ideal choice for untreated well water applications where dissolved iron, heavy sediment loads or bacterial concerns exist; those users should consider specific well water cartridges or dedicated treatment systems designed for higher contaminant loads.

Pros & Cons

Pros

• Effective chlorine and odor removal from tap water thanks to coconut shell activated carbon.
• Fits standard 10 in x 4.5 in housings and many common replacement models for easy installation.
• Manufactured under ISO9001 and tested to NSF/ANSI 42 for material safety.
• High stated capacity which supports several months of household use before replacement.

Cons

• Some users report mixed opinions on lifespan, so replacement interval may be shorter in poorer water conditions.
• Not optimized for untreated well water or specialized contaminants beyond chlorine and sediment.

Specifications

Our Verdict

The PUREPLUS 5 micron 10 in x 4.5 in CTO coconut shell filter is a practical, certified replacement for households on municipal tap water who want improved taste, reduced chlorine and clearer water throughout the home. It offers good compatibility and quality control at a reasonable life span for typical use, but those on well water or with heavy contaminant loads should choose a filter designed for those specific conditions.

Frequently Asked Questions

Will this cartridge remove chlorine?
Yes. The coconut shell activated carbon block is designed to reduce chlorine and associated taste and odor and is tested to NSF/ANSI 42.

How often should it be replaced?
Replacement is suggested every 3-6 months for an average household, though actual life depends on water quality and usage.

Will it fit my housing?
It fits any standard 10 in x 4.5 in heavy-duty filter housing and is compatible with many common replacement models; check your housing size before ordering.