UDF Filter Cartridge
Filter media: Activated Carbon
Size: 10 inch, 20 inch, 30 inch
Working pressure: 0.1-0.4Mpa
Working temperature: 5-45℃
Utilized Location: Second Level
Outer diameter: 72mm
Inner diameter: 28mm
Recommended replacement cycle: 3-6 months
UDF Filter Cartridge – Universal Dechlorination Filter for Clean Water
UDF filter cartridge meaning: "UDF" is an abbreviation, and its full name is "Universal Dechlorination Filter", the second stage in the home water filtration system.
The UDF water filter cartridge is packed with high-quality activated carbon, which can be coal carbon, coconut carbon, or fruit shell carbon, depending on the customer's needs. The pore structure of activated carbon has adsorption capacity and effectively eliminates chlorine, pigments, and odors from the water and improves the taste and quality of water.
When residual chlorine reacts with organic matter (such as organic matter in sewage), some chlorine by-products will be produced, including methyl chloride and ethyl chloride. These substances are considered to be associated with potential health risks, including possible carcinogenic effects in humans. Therefore, UDF filters are crucial in filtration systems.

Core Specifications
| Product name | UDF Filter Cartridge |
| Filter media | Activated Carbon |
| Dimensions | length 10″ (254mm) |
| Outer diameter | 72mm |
| Inner diameter | 28mm |
| Working pressure | 0.1-0.4Mpa |
| Filter porosity | 5 µm |
| Residual chlorine removal rate | >95% |
| Working temperature | 5-45℃ |
| Utilized Location | Second Level |
| Recommended replacement time | 3-6 months |
| MOQ | 500pcs |
8 Key Advantages of Our UDF Filter Cartridge
✅ Superior Chlorine & Odor Removal: Adsorbs >95% chlorine and eliminates unpleasant tastes/odors, ideal for drinking water systems.
✅ Low Pressure Drop: Maintains efficient water flow without reducing filtration performance.
✅ Extended Lifespan: Designed to last 3-6 months, reducing replacement frequency (vs. standard 2-4 month filters).
✅ 5/10 Micron Options: 5-micron for fine filtration (home drinking water); 10-micron for general use (commercial kitchens).
✅ Customizable Media: Choose coal, coconut, or fruit shell carbon based on budget and water quality needs.
✅ Ash-Free Filtration: Prevents carbon dust from leaching into water, ensuring purity.
✅ High Dust Capacity: Holds more particulate matter, prolonging filter life in high-turbidity water.
✅ Global Compatibility: Fits standard 10″ filter housings (e.g., UPVC/SS cartridge housings).
Typical Applications & Success Case
UDF filters are widely used in:
Residential RO Systems: As the second stage to dechlorinate before reverse osmosis.
Commercial Beverage Production: Ensures pure water for coffee, tea, and soft drinks (e.g., a U.S. café chain reduced chlorine levels from 0.8mg/L to 0.03mg/L, improving customer satisfaction by 20%).
Pharmaceutical Water Processing: Removes organic contaminants for medical-grade water.
How to Choose the Right UDF Filter Cartridge?
- Size: 10″ (254mm) for home/desktop systems (flow: 0.5-1 ton/hr); 20″ for commercial use (flow: 1-2 ton/hr).
- Precision: 5-micron for strict purity needs (drinking water); 10-micron for general filtration (industrial pre-treatment).
- Media Type: Coconut carbon for premium taste; coal carbon for cost-effective solutions.


FAQ
What's the difference between UDF and CTO filter cartridges?
A: UDF (Universal Dechlorination Filter) uses granular activated carbon for fast chlorine/odor adsorption, while CTO (Compressed Carbon Block) uses compressed carbon for finer filtration (1-micron). UDF is ideal as a pre-filter; CTO works best as a post-filter for polish.
How often should I replace my UDF filter?
A: Typically 3-6 months, but depends on:
- Water quality (higher chlorine/impurities = shorter lifespan).
- Flow rate (higher flow = faster carbon saturation).
Can I use UDF filters in saltwater systems?
A: No-UDF filters are designed for freshwater. For saltwater applications, consider specialized marine-grade carbon filters (contact us for recommendations).
Do you offer custom UDF filters?
A: Yes! We provide tailored solutions, including:
- Media type (coal/coconut/fruit shell).
- Dimensions (10″, 20″, or custom lengths).
- Packaging (private labeling available).
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