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🌊 Product Overview
The LiquaGen 4.5” x 20” Catalytic Carbon + KDF-85 Filter Cartridge is a high-capacity whole-house filtration solution that delivers maximum contaminant reduction and extended filter life.
With dual-media performance, KDF-85 handles heavy metals, iron, sulfur, scale, and microorganisms, while catalytic carbon polishes the water by removing chlorine, chloramines, odors, VOCs, and chemicals.
Built for Big Blue 4.5” x 20” housings, it’s the top choice for households and light commercial systems with high water demand and longer service intervals.
✨ Key Benefits & Features
💧 High-Capacity Filtration – Reduces iron, sulfur, hydrogen sulfide, chloramines, chlorine & heavy metals.
🛡️ Dual-Media Power – KDF-85 controls scale, bacteria & algae while catalytic carbon improves taste & odor.
🌱 Extended Service Life – Filters up to 95,000 gallons or 6–12 months, depending on water quality.
🏠 Whole-House Coverage – Fits all standard 4.5” x 20” Big Blue housings for maximum protection.
♻️ Reusable Cartridge – Eco-friendly, refillable design for long-term cost savings.
🚿 Well & City Water Compatible – Treats well water contaminants (iron, sulfur) and municipal water chemicals (chlorine, chloramines).
📋 Technical Specifications
Model: LiquaGen 4.5” x 20” Catalytic Carbon + KDF-85 Filter
Size: 4.5” x 20” (Big Blue Cartridge)
Media Type: Catalytic Carbon + KDF-85 (copper-zinc alloy)
Capacity: Up to 95,000 gallons
Recommended Lifespan: 6–12 months (varies by water quality)
Cartridge Type: Refillable, drop-in replacement
Housing Compatibility: Fits all standard 4.5” x 20” Big Blue housings
Operating Conditions: pH 6–10 | Pressure 20–90 PSI | Temp 40–100°F
🏠 Applications
🚰 Whole-House Filtration – Supplies clean, safe water to every faucet.
🌾 Well Water Treatment – Removes iron, manganese, hydrogen sulfide & odor.
🏙️ City Water Use – Eliminates chlorine, chloramines & harmful chemical byproducts.
🛁 Appliance Protection – Extends life of dishwashers, water heaters & washing machines.
🐟 Aquariums & Gardening – Provides safe, treated water for fish tanks, hydroponics & plants.
💙 Why Choose LiquaGen?
The LiquaGen 4.5” x 20” Catalytic Carbon + KDF-85 Filter Cartridge offers superior dual-media filtration for whole-house applications.
With its eco-friendly refillable design, extended 95,000-gallon capacity, and compatibility with standard Big Blue housings, it provides long-lasting, cost-effective water protection.
✨ Cleaner, fresher water
✨ Extended appliance & plumbing life
✨ Whole-house contaminant reduction
✨ Trusted LiquaGen quality
