A Deep Dive for the Filter Cartridge: Is Your Drinking Water Really Clean?

Aug 13, 2025

A glass of water to start your day—but is that “clean” water from your tap truly as pure as it seems? Impurities, chlorine, heavy metals, bacteria... These invisible threats could be silently invading your life.

Who are the unsung heroes guarding your water safety?-Those uniquely designed filter cartridges in your water purification products! Today, we reveal their true superpowers.

 

 

Filter Squad: Specialized Defenders, Layer by Layer Protection

 

PP Cotton Filter: The Loyal "Goalkeeper"

Appearance: A solid white cylinder filled with dense melt-blown polypropylene fibers.

Core Mission: Coarse filtration. Works like a fine mesh net to intercept large particles, including sediment, rust, suspended solids, and insect eggs.

Capability: 

Physical Filtration: Protects downstream "elite filters" (other filter media) from clogging by large particles, thereby extending the overall system lifespan.

Application: Essential first-line defense for areas with turbid water or aging pipes. Affordable price with regular replacement needed (typically every 3-6 months).

 

 

Activated Carbon Filter (CTO/UDF): The Efficient "The Purification Master"

Appearance: Typically black cylindrical (granular UDF) or dense carbon block (compressed CTO).

Core Mission: Eliminates odors, discoloration, residual chlorine, and certain organic compounds. Leverages activated carbon's enormous surface area and exceptional adsorption capacity.

Capability:

Chlorine & Odor Removal: Effectively eliminates residual chlorine (disinfection byproduct) and associated odors (e.g., bleach-like taste) from tap water, significantly improving water palatability.

Organic Compounds Adsorption: Effectively reduces pesticide residues and volatile organic compounds.

Color Improvement: Effectively removes discoloration and turbidity from water.

Application: Essential for improving water taste in nearly all water purification products with a service life of 6-12 months.

 

 

Ultrafiltration Membrane (UF): The Precision "Filtration Specialist"

Appearance: Composed of multiple slender hollow fiber membrane filaments.

Core Mission: Precision filtration to eliminate bacteria, colloids, and macromolecular organics through 0.01-0.1 micron physical filtration.

Capability:

Sterilization & Antimicrobial: Effectively removes bacteria, (partial) viruses, colloids, algae, and macromolecular organics from water.

Mineral Retention: Specially designed pores allow beneficial mineral ions (calcium, magnesium, potassium, etc.) to pass through.

Energy Conservation & No Wastewater: Operates using just tap water pressure—eco-friendly and energy-saving.

Application: The go-to water purification solution for households in areas with good water quality—perfect for those who prefer mineral retention. Service life: 1-2 years.

 

 

RO Membrane Filter: The Ultimate Barrier for Pure Water

Appearance: White or light-colored spiral-wound membrane module with precision engineering.

Core Mission: Ultra-purification to produce near-pure water—powered by 0.0001-micron precision pores and reverse osmosis technology.

Capability:

Ultimate Filtration: Eliminates virtually all contaminants — including heavy metals (lead, arsenic, mercury), bacteria, viruses, antibiotic residues, inorganic salts, and minerals (removed simultaneously).

High Desalination Rate: Delivers purified water with ultra-low TDS (H₂O).

Requires Booster Pump: Needs additional pressure from a booster pump, generating a percentage of concentrated wastewater.

Application: The premium choice for areas with severe water contamination and users demanding ultra-pure water (e.g., infant formula preparation, laboratories). Service life: 2-3 years with regular flushing maintenance.

 

 

Filter Cartridge Selection Guide: The right fit for your specific needs.

 

Filter Cartridge Types

Primary Function

Filtration Precision

Advantages

Disadvantages 

Ideal Use Cases

PP Cotton (Polypropylene)

Intercepts large impurities

1-5 micron

Low price and protection of subsequent cartridges

monofunctional

Pre-requisite material for all water purification products

Activated Carbon

Adsorption of odors, residual chlorine, and organic matter

unspecified pore size

Significantly improves taste and odor

Unable to remove heavy metals, inorganic salts

Essential for enhancing the taste of drinking water

UF (Ultrafiltration) Membrane

Removal of bacteria, colloids, and macromolecules

 

0.01-0.1 micron

Mineral retention, Energy saving, and no wastewater

Unable to remove heavy metals, inorganic salts

Areas with better water quality, with a need to pursue mineral water

RO (Reverse Osmosis) Membrane

Removes almost all impurities

0.0001 micron

The purest water with the highest level of safety

Removes minerals, requires electricity, produces wastewater

Poor water quality/high demand areas, people who need pure water

 

 

 

 

How to Choose Your "Water Guardian"?

 

Select by Water Quality:

Q: For poor water conditions (turbidity/strong odors/heavy scaling) or high contamination risks (industrial areas/aging pipes)

A: RO reverse osmosis system (PP+carbon+RO membrane combo) is highly recommended.


Q: For good water quality, needing only taste enhancement and chlorine removal

A: UF ultrafiltration system (PP+carbon+UF membrane combo) offers better cost-efficiency and eco-friendliness.

 

 

Select by Your Needs:

Q: For ultimate purity requirements (infant formula/tea/coffee)

A: RO reverse osmosis system is highly recommended.

 

Q: To preserve natural minerals

A: Ultrafiltration (UF).

 

Q: On a tight budget? But still needs to basically improve the water quality

A: Basic pitcher or faucet water filters with natural coconut shell carbon are a practical starting choice.

 

Select by Maintenance Costs: 

RO systems incur higher filter cartridge replacement costs (especially RO membranes) and produce wastewater. UF and carbon filters offer lower ongoing costs.

 

 

Protect Your Health – Start by Understanding Your Filters!

One filter can’t be permanently used – they’re vital consumables that demand regular replacement to maintain peak performance! Water safety is no trivial matter.

Only by understanding each filter’s function and differences can you build the precise protective barrier your family deserves. Choosing the right filters means choosing visible peace of mind and health.

 

Are You Using the RIGHT Filters in Your water purification products? Check Now – Lock in Safe Drinking Water for Your Family!

Need Help? Chat with us

Leave A Message
Have any questions? Get in touch with us today for personalized solutions and expert advice.
Submit
Contact us #
+86 -19880967823

Our hours

Mon 11/21 - Wed 11/23: 9 AM - 8 PM
Thu 11/24: closed - Happy Thanksgiving!
Fri 11/25: 8 AM - 10 PM
Sat 11/26 - Sun 11/27: 10 AM - 9 PM
(all hours are Eastern Time)

Home

products

WhatsApp

contact