The Tier1 20" x 4.5" Granular Activated Carbon Filter with KDF85 media provides powerful whole-house filtration by reducing chlorine taste and odor, water-soluble heavy metals, and scale buildup. Using a copper-zinc redox process, it also helps control bacteria and algae for safer, cleaner water. Designed for universal 20" Big Blue housings, it delivers long-lasting protection for your home’s water supply.
Key Features 💧 Reduces chlorine, heavy metals, and unpleasant odors 🧩 Combines GAC and KDF85 for enhanced filtration 🏠 Controls bacteria, algae, and scale buildup 🔧 Compatible with 20" Big Blue and Big Boy housings
Specification 📏 Dimensions: 20" x 4.5" ⚙ Micron rating: 10 micron 🧰 Filter media: Granular Activated Carbon + KDF85 🔩 Compatibility: Fits 20" Big Blue or Big Boy housings 📦 Included: One replacement filter cartridge
