GAC + KDF 55 + KDF 85 Refill Media Kit – Fits 4.5" x 20" Whole House Well Water Filters – Reduces Iron, Sulfur & Chlorine water filter system The 5 lbs size is

The 5 lbs size is ideal for small neutralizer tanks

small restaurants

Key Contaminants Removed

5" x 10" or 2

or hydrogen sulfide are present

GAC + KDF 55 + KDF 85 Refill Media Kit – Fits 4.5" x 20" Whole House Well Water Filters – Reduces Iron, Sulfur & Chlorine water filter system The 5 lbs size isRefill 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