🌊 Product Overview 

The LiquaGen 4.5” x 20” Catalytic Carbon + KDF-85 Filter Cartridge is a high-capacity filtration solution that delivers maximum contaminant reduction and extended filter life. With dual-media performance, KDF-85 handles heavy metals, iron, sulfur, and microorganisms while catalytic carbon polishes the water for taste, odor, and chemical removal.

Built for Big Blue 4.5" x 20” housings, it’s the top choice for households and light commercial setups with high water demands and long service intervals.

✨ Key Benefits & Features 

• 💧 High-Capacity Filtration – Reduces iron, hydrogen sulfide, chloramines, chlorine, and heavy metals.

• 🛡️ Dual Media Power – KDF-85 controls scale, bacteria, algae; catalytic carbon improves taste and odor.

• 🌱 Extended Service Life – Filters up to 95,000 gallons or 6–12 months based on water quality.

• 🏠 Whole-House Coverage – Fits standard 4.5" x 20” Big Blue housings for maximum flow and protection.

• ♻️ Reusable Cartridge – Cost-effective and environmentally friendly refillable design.

• 🚿 Well & City Water Compatible – Works on both private wells (iron/sulfur) and municipal supplies (chloramines/chlorine).

📋 Technical Specifications 

🏠 Applications

• 🚰 Whole-House Filtration – Delivers safer, cleaner water across every tap.

• 🌾 Well Water Treatment – Removes iron, manganese, hydrogen sulfide, and odor.

• 🏙️ City Water Use – Eliminates chlorine, chloramines, and chemical byproducts.

• 🛁 Household Appliances – Extends the life of water heaters, dishwashers, and washing machines.

• 🐟 Aquariums & Gardening – Provides safer water for fish tanks, plants, and hydroponics.

💙 Why Choose LiquaGen?

The 4.5” x 20” Catalytic Carbon + KDF-85 Filter Cartridges deliver powerful dual-media performance for whole-house filtration. With refillable, eco-friendly designs and high-grade media, they protect your family, appliances, and plumbing while improving taste and odor. LiquaGen ensures clean, safe, and reliable water