🌊 Product Overview
The LiquaGen 4.5” x 20” Activated Alumina + GAC + KDF55 Filter Cartridge is our largest capacity multi-stage cartridge, delivering comprehensive protection against arsenic, fluoride, chlorine, heavy metals, bad taste, and odor.
This advanced cartridge layers Activated Alumina for arsenic and fluoride reduction, Granular Activated Carbon (GAC) for chlorine and chemical removal, and KDF 55 redox media for heavy metal reduction and bacteria control. With its Big Blue 20” format, it provides maximum media volume, higher flow rates, and extended service life, making it the best choice for whole-house filtration and light commercial use.
✨ Key Benefits & Features
-
💧 Arsenic & Fluoride Reduction – Activated alumina targets harmful contaminants for safer water.
-
🛡️ Heavy Metal Removal – KDF 55 captures lead, mercury, nickel, cadmium, aluminum, and other metals.
-
🚫 Chlorine & Chemical Control – GAC reduces chlorine, VOCs, pesticides, herbicides, THMs, and organics.
-
🌱 Bacteria Growth Inhibition – KDF naturally prevents microbial growth inside the cartridge.
-
🚿 Superior Taste & Odor – Restores freshness and clarity to household water.
-
🔧 Big Blue Compatibility – Fits all standard 4.5” x 20” Big Blue housings.
-
⏱️ Extended Lifespan – Larger media bed provides longer service intervals than smaller cartridges.
📋 Technical Specifications
| Parameter | Details |
|---|---|
| Model | LiquaGen 4.5” x 20” Activated Alumina + GAC + KDF55 Cartridge |
| Size | 4.5” x 20” (Big Blue Cartridge) |
| Media Type | Activated Alumina + Granular Activated Carbon (Coconut Shell) + KDF 55 |
| Primary Functions | Reduces arsenic, fluoride, chlorine, heavy metals, chemicals, taste, and odor |
| Micron Rating | 5 nominal |
| Capacity | ~7,500–10,000 gallons (varies by influent 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
-
🚰 Whole-House Filtration – Delivers fluoride- and arsenic-reduced, chlorine-free water to every tap.
-
🚿 Bathroom & Laundry – Eliminates odors and improves water quality for bathing and washing.
-
🧊 Kitchen & Cooking – Provides better-tasting water for beverages, food preparation, and ice.
-
🏠 Appliance Protection – Extends the life of dishwashers, water heaters, washing machines, and coffee makers.
-
🏢 Light Commercial Use – Perfect for cafés, restaurants, and offices needing high-capacity filtration.
💙 Why Choose LiquaGen?
The LiquaGen 4.5” x 20” Activated Alumina + GAC + KDF55 Filter Cartridge offers the highest capacity and flow rate in this multi-stage family. With triple-layered filtration media, it provides powerful reduction of arsenic, fluoride, heavy metals, chlorine, and chemicals, ensuring cleaner, safer, and fresher water for your entire household or business.