Premium 20-Stage Replacement Filter Cartridge – 4 Pack Mega-Saver Bundle

20-Stage Replacement Filter Cartridge — 4-Pack Four drop-in replacement cartridges for approximately 12–24 months of filtration. Compatible with all AquaHomeGroup 15-stage and 20-stage filter housings, and other shower filters of similar design. No housing included — these are refill cartridges only. What's Inside Each Cartridge Multiple filtration media layered between ultra-fine, high-density stainless steel mesh: KDF 55 — copper-zinc redox media that converts free chlorine into harmless chloride Granulated activated coconut carbon — adsorbs organic compounds and helps reduce odor Calcium sulfite — assists with chlorine and chloramine reduction in both hot and cold water Polypropylene cotton — traps sediment and particulates Alkaline ceramic balls — additional filtration stage Easy Replacement No tools required. Open your existing filter housing, remove the old cartridge, drop in the new one. Takes under a minute. Replacement Schedule Each cartridge lasts approximately 3–6 months depending on water quality and usage. Allow water to run for 5–10 minutes after installing a new cartridge to flush carbon dust.