







🌊 Product Overview
The LiquaGen 2.5” x 20” Strong Base Anion Filter Cartridge (Nitrate Reduction) is a high-capacity slimline cartridge designed to effectively reduce nitrates in drinking water, providing safer water for your entire family. Using strong base anion exchange resin, this cartridge preferentially removes nitrates even in the presence of competing ions like sulfates, delivering reliable performance in areas with elevated nitrate levels.
With its 2.5" x 20” slimline size, this cartridge offers twice the media volume of a 10” filter, providing extended service life and fewer replacements. It fits all standard 2.5” x 20” housings, making it ideal for under-sink systems, reverse osmosis add-on stages, or light whole-house setups.
✨ Key Benefits & Features
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👶 Protects Infants – Reduces nitrates linked to Blue Baby Syndrome, ensuring safer water for newborns and infants.
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🐟 Aquarium & Pet Protection – Prevents nitrate poisoning in fish tanks and aquariums.
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💧 High-Capacity Resin – Removes nitrates effectively up to EPA-recommended levels (<10 mg/L).
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🛡️ Durable Performance – Uniform spherical resin beads resist breakage for consistent filtration.
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🔧 Universal 20” Slimline Fit – Designed to fit all 2.5” x 20” filter housings.
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⏱️ Extended Lifespan – Larger media bed allows longer filter use and fewer replacements.
📋 Technical Specifications
Parameter | Details |
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Model | LiquaGen 2.5” x 20” Strong Base Anion Cartridge (Nitrate Reduction) |
Size | 2.5” x 20” (Slim Cartridge) |
Media Type | Strong Base Anion Exchange Resin |
Primary Functions | Selective nitrate reduction in the presence of sulfates |
Capacity | ~2,500–3,000 gallons (varies by influent water quality) |
Recommended Lifespan | 6–12 months |
Max Pressure | 90 PSI (6.2 bar) |
Operating Temp. | 40–100°F (4.4–37°C) |
Housing Compatibility | Fits all standard 2.5” x 20” filter housings |
🏠 Applications
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🚰 Drinking Water Filtration – Provides nitrate-free water for everyday household use.
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🍼 Family Health Protection – Essential for families with newborns and infants.
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🧊 Reverse Osmosis Add-On – Enhances RO system efficiency by targeting nitrates before the membrane.
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🐠 Aquarium & Fish Care – Keeps water safe for aquatic life.
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🏠 Light Whole-House Use – Suitable for smaller homes needing nitrate reduction at point-of-entry.
💙 Why Choose LiquaGen?
The LiquaGen 2.5” x 20” Strong Base Anion Filter Cartridge delivers extended nitrate reduction capacity in a slimline 20” format. Ideal for households in rural areas or regions with high nitrate levels, it protects your family, pets, and appliances while ensuring better-quality water