Comprehensive Water Filtration: This replacement cartridge pack includes a sediment filter, a granular activated carbon filter, a carbon block filter, a 50 GPD RO membrane, a post-carbon filter, an alkaline filter, and a UV bulb, the PureDrop replacement cartridge pack fits most standard 7-stage 50 GPD RO systems.
Pre Filters: The first three stages effectively remove large contaminants and protect the RO membrane from chlorine damage, enjoy water free from impurities, unpleasant tastes, and odors.
High-quality RO Membrane: The 50 GPD RO membrane removes up to 99% of over 1,000 contaminants, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more, with a 0.0001 micron pore size, it only allows water molecules to squeeze through and virtually nothing else.