







🌊 Product Overview
The LiquaGen 4.5” x 10” Activated Alumina / GAC Filter Cartridge is a Big Blue whole-house solution for reducing arsenic (As III & V) and fluoride in your water supply. Powered by activated alumina media combined with granular activated carbon (GAC), this cartridge ensures safer, fresher, and better-tasting water while protecting your family from two of the most harmful contaminants found in groundwater.
Designed for Big Blue 4.5" x 10” housings, it provides greater flow rates and higher contaminant holding capacity than slimline cartridges, making it an excellent choice for households, well water systems, and point-of-entry filtration setups.
✨ Key Benefits & Features
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🛡️ Fluoride & Arsenic Reduction – Targets both arsenic III & V along with fluoride for safer water.
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💧 Activated Alumina Media – Provides up to 95% removal efficiency under ideal pH (≈5.5).
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🌱 GAC Polishing Layer – Enhances taste, reduces odor, and removes residual organics.
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🔧 Big Blue 10” Compatibility – Fits all standard 4.5” x 10” housings.
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🚿 Whole-House Ready – Protects every faucet, shower, and appliance with contaminant-reduced water.
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♻️ Easy to Maintain – Drop-in cartridge with recommended 6-month service cycle.
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⏱️ Reliable Capacity – Treats up to 3,000–4,000 gallons, depending on water quality.
📋 Technical Specifications
Parameter | Details |
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Model | LiquaGen 4.5” x 10” Activated Alumina / GAC Filter |
Size | 4.5” x 10” (Big Blue Cartridge) |
Media Type | Activated Alumina + Granular Activated Carbon (GAC) |
Primary Functions | Reduces fluoride and arsenic (As III & V) |
Capacity | ~3,000–4,000 gallons (varies by influent quality) |
Recommended Lifespan | 6 months |
pH Range for Best Results | ≈5.5 (optimal adsorption efficiency) |
Operating Temp. | 40–100°F (4.4–37°C) |
Max Pressure | 90 PSI (6.2 bar) |
Housing Compatibility | Fits all standard 4.5" x 10” Big Blue housings |
🏠 Applications
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🚰 Whole-House Filtration – Delivers fluoride- and arsenic-reduced water to every tap.
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🌾 Well Water Treatment – Ideal for rural households with high arsenic or fluoride levels.
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🧊 Pre-Filtration for RO Systems – Extends RO membrane life by reducing harmful load.
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🛁 Bathrooms & Kitchens – Provides safer water for cooking, bathing, and drinking.
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🥤 Food & Beverage Preparation – Ensures cleaner, healthier water for coffee, tea, and meals.
💙 Why Choose LiquaGen?
The LiquaGen 4.5” x 10” Activated Alumina / GAC Cartridge combines activated alumina adsorption with GAC polishing in a Big Blue format for higher flow and capacity. It’s the perfect choice for households that need reliable protection against arsenic and fluoride, while also enjoying fresher, cleaner-tasting water.