AO Smith Reverse Osmosis Water Filter Replacement Cartridges – Premium Carbon Filters for AOS-HERO RO Filtration Systems – Eliminate Chlorine & Other Impurities from Drinking Water – AOS-HERO-S1S3
£196.31Eliminate up to 99% of 90 impurities including chlorine, chloramine, lead, pesticides, PFOA/PFOS, cysts, microplastics, and more from your household water.