🌊 Product Overview
The LiquaGen 4.5” x 20” Activated Alumina Whole House Filter Cartridge is our highest-capacity arsenic reduction solution, designed for Big Blue 20” housings. Packed with premium activated alumina media, it effectively reduces arsenic III (arsenite) and arsenic V (arsenate), bringing water quality closer to EPA’s recommended safety standards.
Perfect for homes with high water usage or rural areas with naturally elevated arsenic levels, this cartridge ensures longer service life, fewer replacements, and whole-house protection. With its large 4.5” diameter and extended 20” length, it provides maximum filtration capacity for families who need consistent, safe, and great-tasting water from every tap.
✨ Key Benefits & Features
-
🛡️ Arsenic Reduction Filter – Reduces both arsenic III & V for safer household water.
-
💧 Whole House Protection – Provides arsenic-reduced water across all faucets and fixtures.
-
🌱 High-Capacity Media – Extended surface area for efficient arsenic adsorption.
-
⏱️ Maximum Capacity – Treats up to 6,000–8,000 gallons depending on water quality and arsenic levels.
-
🔧 Big Blue 20” Compatibility – Fits all standard 4.5” x 20” housings.
-
🚿 Fewer Replacements – Larger cartridge means longer life and lower maintenance.
-
♻️ Drop-In Replacement – Quick and easy installation.
📋 Technical Specifications
| Parameter | Details |
|---|---|
| Model | LiquaGen 4.5” x 20” Activated Alumina Filter |
| Size | 4.5” x 20” (Big Blue Cartridge) |
| Media Type | Activated Alumina |
| Primary Function | Arsenic reduction (As III & As V) |
| Capacity | ~6,000–8,000 gallons (varies by arsenic level & water quality) |
| Recommended Lifespan | 6–12 months or based on test results |
| Cartridge Type | Drop-in replacement |
| Housing Compatibility | Fits all standard 4.5" x 20” Big Blue housings |
| Max Pressure | 125 PSI |
| Max Temperature | 100°F (38°C) |
🏠 Applications
-
🚰 Whole-House Filtration – Delivers safer, arsenic-reduced water throughout the home.
-
🌾 Well Water Treatment – Perfect for rural areas with high arsenic in groundwater.
-
🧊 Pre-Filtration for RO Systems – Helps reduce arsenic load before water enters RO membranes.
-
🛁 Household Use – Protects families with arsenic-free water for bathing, cooking, and drinking.
-
🥤 Food & Beverage Use – Safer water for meal prep, coffee, and drinks.
💙 Why Choose LiquaGen?
The LiquaGen 4.5” x 20” Activated Alumina Filter Cartridge is built for maximum arsenic reduction and whole-house performance. With its large Big Blue design, extended service capacity, and reliable adsorption technology, it delivers safer, healthier water for families who need consistent protection. Backed by LiquaGen’s commitment to quality, this cartridge is the ultimate choice for homes facing arsenic contamination