GAC + KDF 55 + KDF 85 Refill Media Kit – Fits 4.5" x 20" Whole House Well Water Filters – Reduces Iron, Sulfur & Chlorine

Refill Media Kit for Big Blue 4.5" x 20" Well Water Filter – KDF 85, KDF 55 & Activated Carbon for Iron, Sulfur, Chlorine, and Heavy Metal Reduction – Compatible with 20" Big Blue Housings by Oceanic Water Systems

Product Description

Overview

Upgrade your Big Blue 4.5" x 20" refillable well water filter with our premium GAC + KDF 55 + KDF 85 media refill kit, engineered to effectively reduce iron, sulfur, chlorine, and heavy metals. Perfect for improving taste, removing odors, and protecting your home’s plumbing and appliances from staining and buildup.

Key Filtration Media

• KDF 85 Process Media – Targets iron and hydrogen sulfide, eliminating “rotten egg” odors and protecting plumbing from stains.

• KDF 55 Process Media – Reduces chlorine, water-soluble heavy metals, and scale, while extending filter life.

• Granular Activated Carbon (GAC) – Made from high-quality coconut shell carbon, it removes bad taste, odors, and hazardous contaminants including VOCs, pesticides, trihalomethanes, asbestos cysts, and lead.

Features & Benefits

• ✅ Effective Contaminant Reduction – Removes iron, sulfur, chlorine, heavy metals, and harmful organics.

• ✅ Improves Taste & Odor – Provides fresher, cleaner drinking water.

• ✅ Safe & Certified Media – NSF/ANSI Standard 42 compliant and California AB1953 & Vermont Act 193 certified.

• ✅ Compatible Design – Works with all standard Big Blue 4.5" x 20" refillable housings.

• ✅ Balanced Media Mix – Includes 2 lbs KDF 55, 2 lbs KDF 85, and premium coconut shell GAC for maximum efficiency.

Technical Details

• Fits Housing Size: 4.5" x 20" Big Blue canisters

• Applications: Whole house well water filtration, municipal water supplies

• Performance Note: Effectiveness may vary depending on local water quality and chemistry