







๐ Product Overview
The LiquaGen 2.5โ x 20โ GAC / KDF 55 / KDF 85 / Cation Resin Filter Cartridge (Chlorine & Iron Reduction) is a high-capacity slimline cartridge designed for longer-lasting contaminant protection. Combining Granular Activated Carbon (GAC), KDF 55, KDF 85, and Cation Resin, it provides comprehensive filtration that reduces chlorine, iron, hydrogen sulfide, heavy metals, scale-causing minerals, and unpleasant taste and odor.
With its 20โ slimline size, this cartridge offers twice the media volume of a 10โ filter, delivering longer service life and fewer replacements. It fits all standard 2.5โ x 20โ housings and is ideal for under-sink systems, reverse osmosis (RO) add-on stages, or light whole-house filtration setups.
โจ Key Benefits & Features
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๐ง Chlorine Reduction โ GAC removes chlorine, pesticides, VOCs, and organic chemicals for fresher water.
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๐ก๏ธ Dual KDF Protection โ KDF 55 + KDF 85 work together to reduce iron, hydrogen sulfide, and heavy metals like lead, mercury, nickel, cadmium, and aluminum.
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๐ซ Scale & Hardness Control โ Cation resin reduces calcium and magnesium to help prevent scale buildup.
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๐ฑ Bacteria Resistance โ KDF media naturally inhibits bacterial growth inside the filter.
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๐ง Slimline 20โ Fit โ Universal compatibility with all standard 2.5โ x 20โ housings.
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โฑ๏ธ Extended Lifespan โ Larger media capacity means longer intervals between filter changes.
๐ Technical Specifications
Parameter | Details |
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Model | LiquaGen 2.5โ x 20โ GAC / KDF 55 / KDF 85 / Cation Resin Cartridge |
Size | 2.5โ x 20โ (Slim Cartridge) |
Media Types | Coconut Shell GAC + KDF 55 + KDF 85 + Cation Resin |
Primary Functions | Reduces chlorine, iron, hydrogen sulfide, heavy metals, scale, taste, and odor |
Micron Rating | 5 nominal |
Capacity | ~2,500โ3,000 gallons (varies by influent water quality) |
Recommended Lifespan | 6โ12 months |
Max Pressure | 90 PSI (6.2 bar) |
Operating Temp. | 40โ100ยฐF (4.4โ37ยฐC) |
Housing Compatibility | Fits all standard 2.5โ x 20โ slimline housings |
๐ Applications
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๐ฐ Drinking Water Filtration โ Delivers chlorine- and iron-free water for everyday use.
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๐ง RO System Add-On โ Improves system performance and protects RO membranes.
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๐ Under-Sink Filtration โ Provides fresher, safer water for cooking, drinking, and ice.
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๐งด Appliance Protection โ Helps prevent scaling and staining in kettles, coffee machines, and dishwashers.
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๐ข Light Whole-House or Commercial Use โ Great for offices, small homes, or shops with moderate water demand.
๐ Why Choose LiquaGen?
The LiquaGen 2.5โ x 20โ GAC / KDF 55 / KDF 85 / Cation Resin Cartridge provides multi-stage contaminant reduction with extended capacity, combining chlorine and iron removal with heavy metal, scale, and odor protection. Designed for durability and versatility, it ensures cleaner, better-tasting, and safer water for longer periods.