







🌊 Product Overview
The LiquaGen 2.5” x 20” Activated Alumina Filter Cartridge provides extended protection against arsenic contamination in residential drinking water systems. Using high-grade activated alumina media, this cartridge effectively reduces arsenic III (arsenite) and arsenic V (arsenate)—two of the most harmful and common forms of arsenic in groundwater.
Designed for standard 2.5" x 20” slim filter housings, this cartridge is perfect for households in rural or agricultural areas where arsenic levels often exceed the EPA safe limit of 10 ppb. With its longer 20” design, it delivers higher capacity and fewer replacements compared to shorter cartridges, making it an efficient and reliable solution for safe, great-tasting water.
✨ Key Benefits & Features
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🛡️ Arsenic Reduction Filter – Reduces arsenic III & V for safer household water.
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💧 Extended Capacity – Provides up to 2,500–3,500 gallons of filtration depending on water quality.
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🌱 Activated Alumina Media – Large surface area ensures maximum adsorption efficiency.
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🔧 Slim 20” Compatibility – Fits all standard 2.5” x 20” housings for RO or whole-house systems.
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🚿 Protects Families – Ideal for homes with infants and children vulnerable to arsenic exposure.
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♻️ Drop-In Replacement – Simple installation for quick upgrades or replacements.
📋 Technical Specifications
Parameter | Details |
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Model | LiquaGen 2.5” x 20” Activated Alumina Filter |
Size | 2.5” x 20” (Slim Cartridge) |
Media Type | Activated Alumina |
Primary Function | Arsenic reduction (As III & As V) |
Capacity | ~2,500–3,500 gallons (varies by arsenic concentration & water quality) |
Recommended Lifespan | 6–12 months or as required by test results |
Cartridge Type | Drop-in replacement |
Housing Compatibility | Fits all standard 2.5" x 20” slim housings |
Max Pressure | 125 PSI |
Max Temperature | 100°F (38°C) |
🏠 Applications
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🚰 Drinking Water Filtration – Provides arsenic-reduced water at the tap.
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🧊 Reverse Osmosis Systems – Used as a pre- or post-filter for arsenic protection.
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🏠 Whole-House Slimline Systems – Ensures safer water for every faucet and fixture.
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🌾 Well Water Treatment – Perfect for rural homes with elevated natural arsenic levels.
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🥤 Food & Beverage Use – Safer water for cooking, coffee, and beverages.
💙 Why Choose LiquaGen?
The LiquaGen 2.5” x 20” Activated Alumina Filter Cartridge delivers powerful arsenic reduction in a slimline 20” format, combining high capacity with reliable adsorption technology. With its universal housing compatibility, extended life, and LiquaGen’s trusted quality, it ensures your family enjoys cleaner, safer, and healthier water every day.