Description
The Activated Carbon Block (CTO) Filter represents the next level in chemical water treatment. Unlike granular carbon, this media is compressed into a dense, solid block. This structural design provides a much finer level of filtration and ensures an extended contact time between the water and the carbon. Through the process of adsorption, the CTO filter effectively strips away harmful chemicals, heavy metals, and volatile organic compounds (VOCs).
Features
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Advanced Chemical Removal: Highly effective at extracting free chlorine, herbicides, and pesticides from municipal and treated water.
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Heavy Metal Reduction: Specifically targets heavy metals, making water safer for drinking, cooking, and industrial manufacturing.
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Compressed Block Design: Forces water to travel through a dense matrix, ensuring more thorough filtration than loose carbon granules.
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Flavor & Odor Correction: Dramatically improves water quality by neutralizing chemical residues and metallic tastes.
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Industrial Strength: Capable of high-volume filtration for whole-house or light industrial Point-of-Entry (POE) applications.
How It Works
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The “CTO” Principle: CTO stands for Chlorine, Taste, and Odor. The compressed block acts as both a physical filter (down to its micron rating) and a chemical sponge.
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The Result: Professional-grade purification that yields clear, safe, and delicious water, free from the standard pollutants found in modern water supplies.
| Attribute | Details |
| Category | Water Purifier Component / Carbon Filter |
| Max Flow Rate | 3 – 10 Litres per Minute (Size dependent) |
| Max Pressure | 8.6 Bar (125 psi) |
| Max Temperature | 37.7°C (100°F) |
| Service Life | 10,000 – 40,000 Litres (Size dependent) |
| Colour | Grey/White with Mesh Outer Wrap |
Maintenance
Carbon block filters are disposable and cannot be washed.
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Replacement Interval: Replace every 6 to 12 months or upon the return of chlorine taste/odor.
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Pre-Filtration Tip: Always install a sediment pre-filter (PP or String Wound) before the CTO block. This prevents the block from clogging with dirt, allowing the carbon to focus entirely on chemical removal.
| Size / Type | Dimensions | Weight |
| 10” Slimline (Std) | 26cm × 6cm | 370g |
| 10” Big Blue (Fat) | 25cm × 10.5cm | 1.4kg |
| 20” Slimline (Std) | 51cm × 6cm | 900g |
| 20” Big Blue (Fat) | 51cm × 11cm | 3.0kg |
Compatibility
This filter is a high-performance stage for:
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Drinking Water Systems: Essential for 2, 3, and 4-stage under-counter units.
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Reverse Osmosis (RO): A critical pre-filter stage to protect RO membranes from chlorine degradation.
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Whole-House POE: Used as the second or third stage in Big Blue systems to treat the entire home’s water supply.
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