🌊 Product Overview
The LiquaGen 4.5” x 20” Katalox Light® Whole House Filter Cartridge is the highest-capacity solution in our Katalox Light® series. Designed for Big Blue 4.5" x 20” filter housings, this refillable cartridge is packed with advanced Katalox Light® media featuring a 10% MnO₂ coating. It delivers outstanding removal of iron, manganese, hydrogen sulfide (H₂S), arsenic, zinc, copper, lead, uranium, radionuclides, and other heavy metals—while also filtering sediment and suspended solids down to 3 microns.
Ideal for households and light commercial applications with higher water demands, this cartridge ensures longer service life, fewer replacements, and whole-house contaminant protection. It’s the go-to choice for homes facing tough well water problems such as staining, rotten egg odors, or metallic taste.
✨ Key Benefits & Features
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🛡️ Iron & Manganese Reduction – Prevents red/brown and black staining while eliminating metallic taste.
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💧 Hydrogen Sulfide Odor Control – Removes rotten egg smells at concentrations up to 5 ppm.
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🌱 Heavy Metal Reduction – Reduces arsenic, lead, copper, zinc, uranium, and other harmful contaminants.
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🔧 Big Blue 20” Compatibility – Fits all standard 4.5” x 20” housings for maximum whole-house protection.
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⏱️ Extended Service Capacity – Treats up to 8,000–10,000 gallons depending on water quality.
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💪 Katalox Light® Advantages – Lightweight, high surface area, no crystalline silica, efficient performance.
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♻️ Refillable Cartridge – Media can be replaced for long-term cost savings.
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🔍 Fine Filtration – Removes sand, sediment, and particles as small as 3 microns.
📋 Technical Specifications
| Parameter | Details |
|---|---|
| Model | LiquaGen 4.5” x 20” Katalox Light® Filter Cartridge |
| Size | 4.5” x 20” (Big Blue Cartridge) |
| Media Type | Katalox Light® (10% MnO₂ coating) |
| Filtration Rating | Down to 3 microns |
| Primary Functions | Reduces iron, manganese, H₂S, arsenic, copper, lead, zinc, uranium, radionuclides, and heavy metals |
| Recommended Iron Level | ≤ 5 ppm |
| Recommended pH Range | 6.5 – 8.5 |
| Required Dissolved Oxygen | Iron level (ppm) × 0.6 |
| Capacity | ~8,000–10,000 gallons (varies by 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 4.5" x 20” Big Blue housings |
🏠 Applications
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🚰 Whole-House Filtration – Ensures safer, odor-free water at every tap.
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🌾 Well Water Filtration – Excellent for homes with iron, manganese, and sulfur contamination.
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🧊 Pre-Filtration for RO Systems – Reduces heavy loads of metals and H₂S before RO membranes.
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🛁 Household Protection – Prevents stains, odors, and metallic taste in bathrooms and kitchens.
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🥤 Food & Beverage Use – Provides cleaner water for ice machines, coffee makers, and cooking.
💙 Why Choose LiquaGen?
The LiquaGen 4.5” x 20” Katalox Light® Filter Cartridge is the ultimate whole-house water filtration solution for homes facing tough well water challenges. With its Big Blue 4.5" x 20” design, refillable construction, and superior contaminant reduction, it provides long-lasting protection against iron, sulfur, manganese, and heavy metals.