







🌊 Product Overview
The LiquaGen 2.5” x 20” GAC/UDF + Phosphate Crystals Filter Cartridge is a dual-stage cartridge that combines Granular Activated Carbon (GAC/UDF) for chlorine, taste, and odor reduction with phosphate crystals to minimize scale buildup and corrosion.
With its 2.5" x 20” slimline design, this refillable cartridge provides longer life, greater capacity, and improved water flow compared to standard 10” cartridges. Compatible with all 2.5” x 20” slim housings, it’s the perfect add-on for reverse osmosis systems, under-sink setups, and light whole-house applications where both water quality and scale protection matter.
✨ Key Benefits & Features
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💧 Dual Action Filtration – GAC/UDF removes chlorine, bad taste, and odors, while phosphate crystals prevent scale and corrosion.
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🛡️ Scale & Corrosion Control – Protects plumbing, pipes, and heating systems by forming a protective barrier.
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🚿 Extended Capacity – Longer cartridge means fewer replacements and better performance over time.
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🔧 Universal Slim Fit – Designed for all 2.5” x 20” slimline housings.
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🏠 Appliance Protection – Extends the life of dishwashers, coffee makers, heaters, and other water-using appliances.
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♻️ Easy Maintenance – Drop-in replacement, recommended change every 4–6 months.
📋 Technical Specifications
Parameter | Details |
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Model | LiquaGen 2.5” x 20” GAC/UDF + Phosphate Filter |
Size | 2.5” x 20” (Slim Cartridge) |
Media Type | Granular Activated Carbon (GAC/UDF) + Phosphate Crystals |
Micron Rating | 5 nominal |
Primary Functions | Chlorine, taste, odor reduction + scale prevention |
Capacity | ~4,000–6,000 gallons (varies by water quality) |
Recommended Lifespan | 4–6 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” slimline housings |
🏠 Applications
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🚰 Reverse Osmosis Systems – Works as a polishing or pre-stage for scale and chlorine protection.
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🧊 Refrigerators & Ice Makers – Provides clearer, fresher-tasting water and ice.
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🏠 Under-Sink Filtration – Ensures chlorine-free, scale-protected water for cooking and drinking.
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🚿 Light Whole-House Use – Helps reduce scale and improve water quality throughout smaller households.
💙 Why Choose LiquaGen?
The LiquaGen 2.5” x 20” GAC/UDF + Phosphate Crystals Filter Cartridge provides two-in-one protection—activated carbon for taste and odor plus phosphate for scale and corrosion control. Its slimline 2.5" x 20” design ensures extended service life and consistent performance, making it the smart choice for homes and systems that demand both quality and durability.