4.5" x 20" Whole House Big Blue Refillable Well Water Filter Cartridge - GAC Catalytic Carbon/Birm + KDF 85: Removes Iron, Manganese, Hydrogen Sulfide - Rotten Egg Smell

KDF process media to safely reduce or remove iron, hydrogen sulfide, sulfur, manganese and more from the water supply Fits most standard big 20" housings (4.5" x 20") Highest grade filtration media available. Save money with this refillable inline filter Whole House Water Filter with Mixture of Activated Catalytic Carbon, Birm and KDF 85 Superior taste and odor removal capabilities (Dependent on local water quality). Filter should be flushed initially for at least 20 minutes until water runs clear.