🌊 Product Overview
The LiquaGen 4.5” x 20” Phosphate Crystal Filter Cartridge is built for maximum whole-house protection against hard water. Packed with high-capacity phosphate crystals, this refillable cartridge is designed to minimize scale buildup, protect plumbing from corrosion, and extend the life of household appliances. With double the capacity of a 10” Big Blue cartridge, it provides longer service life and reliable performance for families and homes with higher water demands.
✨ Key Benefits & Features
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💧 Scale Prevention – Reduces limescale deposits on pipes, faucets, and water-using fixtures.
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🛡️ Corrosion Protection – Forms a protective layer to help guard plumbing and appliances.
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🔄 Refillable Cartridge – Eco-friendly and cost-saving with replaceable phosphate media.
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🏠 Whole-House Protection – Fits standard 20” Big Blue housings for high-capacity use.
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🚿 Extended Appliance Life – Safeguards water heaters, dishwashers, washing machines, and more.
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🕒 High-Capacity Filtration – Replace every 4–6 months or up to 60,000 gallons (depending on water conditions).
📊 Technical Specifications
| Parameter | Details |
|---|---|
| Cartridge Size | 4.5” x 20” |
| Media Type | Phosphate crystals |
| Cartridge Type | Refillable, reusable |
| Capacity | Up to 60,000 gallons |
| Change Frequency | Every 4–6 months (varies by usage) |
| Housing Compatibility | Fits all standard 4.5" x 20” Big Blue housings |
| Primary Functions | Scale prevention, corrosion control |
🏠 Applications
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🚿 Whole-House Filtration – Ensures scale and corrosion protection across your entire plumbing system.
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🛁 Bathrooms & Showers – Keeps glass, tiles, and fixtures cleaner with less spotting.
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🍳 Kitchens – Prevents mineral deposits in sinks, faucets, and cooking appliances.
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🔥 Water Heaters & Boilers – Improves efficiency and extends heating element life.
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🧺 Laundry Machines – Helps appliances last longer and keeps fabrics looking fresh.
💙 Why Choose LiquaGen?
LiquaGen’s 4.5” x 20” Phosphate Crystal Filter Cartridge is designed for households that need long-lasting protection from hard water. With its refillable design, large capacity, and compatibility with standard Big Blue housings, it provides an effective, affordable, and low-maintenance solution for scale and corrosion control. At LiquaGen, we deliver complete water treatment solutions so your family, plumbing, and appliances stay protected