$6.00
Size: 10″ × 2.5″ (Actual: 9 7/8″ × 2.5″)
Micron Rating (Nominal): 10 Micron
This Premium Coconut Carbon Block Filter Cartridge is designed to deliver reliable chemical adsorption and taste-and-odor improvement using high-quality coconut shell activated carbon. The dense carbon block structure provides longer contact time compared to granular carbon, resulting in more effective reduction of chlorine, organic contaminants, and unpleasant odors while maintaining stable flow performance.
Made from renewable coconut shell carbon, this filter offers excellent adsorption capacity, low pressure drop, and clean-tasting water for residential filtration systems.
Removes / Reduces
Purpose
Key Features
Specifications
Used as a replacement for the third stage in 3-stage systems
| Cartridge Comparison Chart – 10″ × 2.5″ (9 7/8″ × 2.5″) | ||||
|---|---|---|---|---|
| SKU | Cartridge Type | Purpose | What It Removes | Iron & H2S Effectiveness / Best Use |
| First Stage – Sediment Filtration | ||||
| SED5 (SED5-10) | Standard Sediment 5 Micron | Basic sediment removal to protect downstream filters | Sand, dirt, rust, silt | • Municipal water • Low–moderate sediment load |
| SED5-PLT | Pleated Sediment | High-capacity Multi Use filter with extended service life (more surface area) | Sand, dirt, silt, debris | • Well water / high sediment • Longer service intervals |
| Second Stage – Carbon Filtration | ||||
| GAC (GAC-10) | Media: GAC Carbon | Chlorine taste & odor reduction | Chlorine, Chloramine, taste, odor | • No iron / sulfur removal |
| CAT-10 | Media: Catalytic Carbon (Centaur Catalityc Calgon) | Advanced chemical reduction (better for chloramine vs. standard GAC) | Chlorine, chloramine, VOCs, solvents, H2S (rotten egg odor), low iron |
• Iron: effective for trace/low levels (about up to ~0.3 ppm) • H2S: mild odor reduction |
| CATKDF85-10 | Media: Catalytic Carbon + KDF-85 (3/4 lbs) | Iron & sulfur odor reduction plus broad chemical filtration | Iron, H2S, chlorine/chloramine, VOCs, heavy metals (redox treatment) |
• IRON: stronger reduction; suitable for light–moderate iron (about ~1–3 ppm) • H2S (rotten egg): stronger, more consistent odor reduction • Manganese: effective for LOW manganese only: approximately 0.1–1.0 ppm (mg/L) |
| Third Stage – Carbon Block / Polishing | ||||
| CTO-10 (CTO105) | Standard CTO Block | Final carbon filtration / polishing | Chlorine, taste, odor | • Standard use • Great as final polishing stage |
| CBCO-10-5 | Activated Coconut Carbon Block | Enhanced polishing with premium adsorption | Chlorine, VOCs, chemicals, taste & odor. Coconut-shell carbon provides higher adsorption efficiency, cleaner taste, and lower ash content compared to standard carbon blocks. | • Premium taste-focused use • Higher performance adsorption |
CAT-10 (Catalytic Carbon only)
Provides limited iron reduction
Best for trace iron typically found in municipal water
Effective range: up to ~0.3 ppm
Not intended as a primary iron filter
CATKDF85-10 (Catalytic Carbon + KDF-85)
Significantly stronger iron reduction due to redox reaction
Suitable for light to moderate iron levels
Effective range: up to ~1–3 ppm in cartridge (non-backwashing) systems
Helps prevent iron fouling of downstream filters
Catalytic carbon converts hydrogen sulfide through oxidation
CAT-10: effective for mild sulfur odor
CATKDF85-10: enhanced H₂S reduction, more stable performance, longer media life
For high sulfur levels, a backwashing system or aeration is recommended
CATKDF85-10. Effective for LOW manganese only: approximately 0.1–1.0 ppm (mg/L)
CATKDF85-10: Catalytic carbon is an effective medium designed to help reduce pesticides, herbicides, PFAS, and pharmaceuticals, offering improved performance compared to standard GAC filters
Chloramine + mild sulfur odor: → CAT-10
Iron + sulfur odor (well water): → CATKDF85-10
Trace iron only (<0.3 ppm): → CAT-10
Iron above 1 ppm: → CATKDF85-10 (or dedicated iron filter for higher levels)
High sediment / well water: → SED5-PLT
Chloramine removal: → CAT-10
Iron + chemical reduction: → CATKDF85-10
Best taste & drinking water quality: → CBCO-10-5
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