







🌊 Product Overview
The LiquaGen 2.5” x 20” Catalytic Carbon/KDF-85 Filter Cartridge is a high-capacity solution for whole-house and commercial water filtration systems. Built with a powerful combination of catalytic carbon and KDF-85 media, this cartridge effectively reduces iron, sulfur, chloramines, chlorine, heavy metals, tastes, and odors from your water.
Engineered for slim 2.5" x 20” housings, it’s the perfect choice for well water users dealing with iron and hydrogen sulfide, as well as city water users concerned about chloramines and chlorine. By pairing KDF-85 with catalytic carbon, this filter not only provides superior contaminant reduction but also extends the lifespan of the carbon bed, ensuring cleaner, safer, and fresher-tasting water for your entire home.
✨ Key Benefits & Features
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💧 Comprehensive Contaminant Removal – Targets iron, hydrogen sulfide, chloramines, chlorine, and heavy metals.
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🛡️ KDF-85 Media – Reduces metals, microorganisms, and scale while preventing bacterial growth in the carbon bed.
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🌱 Dual-Stage Filtration – KDF-85 does the heavy lifting, while catalytic carbon polishes water for improved taste and odor.
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🔧 Universal 2.5" x 20” Slim Fit – Designed to fit standard 2.5” x 20” filter housings for whole-house or RO systems.
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🚿 Well & City Water Compatible – Effective for municipal chloramine treatment and well water with iron/sulfur.
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⏱️ Long Service Life – Provides filtration for up to 95,000 gallons or 6–12 months depending on water quality.
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♻️ Refillable Cartridge – Cost-effective and eco-friendly design allows for resin/media replacement.
📋 Technical Specifications
Parameter | Details |
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Model | LiquaGen 2.5” x 20” Catalytic Carbon/KDF-85 Filter |
Size | 2.5” x 20” (Slim Cartridge) |
Media Type | Catalytic Carbon + KDF-85 (copper-zinc alloy) |
Primary Functions | Reduces iron, sulfur, chloramines, chlorine, heavy metals, tastes, odors |
Capacity | Up to 95,000 gallons (varies by water quality) |
Recommended Lifespan | 6–12 months (average household use) |
Cartridge Type | Refillable, drop-in replacement |
Housing Compatibility | Fits all standard 2.5" x 20” slim housings |
Operating Conditions | pH: 6–10 |
Pressure Range | 20–90 PSI |
Temperature Range | 40–100°F (4–38°C) |
Max TDS | 2,000 ppm |
🏠 Applications
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🚰 Whole-House Filtration – Supplies clean, odor-free water to every tap in your home.
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🧊 Reverse Osmosis Systems – Pre-treats water to protect RO membranes from fouling.
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🌾 Well Water Treatment – Reduces iron, manganese, and hydrogen sulfide common in well water.
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🏙️ City Water Filtration – Removes chloramines, chlorine, and chemical byproducts.
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🛁 Everyday Household Use – Improves taste, odor, and quality of water for showers, sinks, and appliances.
💙 Why Choose LiquaGen?
The LiquaGen 2.5” x 20” Catalytic Carbon/KDF-85 Filter Cartridge combines two of the most advanced filtration medias to deliver exceptional performance against problem contaminants in both city and well water.. With its refillable design, extended 95,000-gallon capacity, and compatibility with standard 2.5" x 20” slim housings, it ensures safer, cleaner, and better-tasting water for your home or system.