Complete 5-Stage Filtration Set: Includes all essential filter stages: (1) Sediment Filter, (2) Activated Carbon Block Filters, (1) 50 GPD RO Membrane, and (1) Post Carbon Filter — built to work seamlessly with the VIVA21 RO system and compatible with most standard 10” filter housings. Removes Up to 99% of Harmful Contaminants: Advanced filtration helps reduce PFAS, chlorine, fluoride, lead, arsenic, asbestos, and more, delivering clean, crisp water you can trust for your family’s health. Certified Quality You Can Trust: Independently tested and certified to NSF/ANSI 58 and 372 standards. Filters made from food-grade, BPA-free materials and built to perform reliably under everyday use. Universal Compatibility: Standard sizing fits most 10” under-sink RO systems with 2.5” x 10” filter housings. Precision fit ensures leak-free installation and smooth water flow. Long-Lasting Value: Sediment and carbon filters recommended for 12-month replacement, and RO membrane rated for up to 36 months under average use — giving you sustained protection with fewer replacements. Backed by VIVA21 Lifetime Support: Every filter set is supported by our dedicated customer service team, plus our peace-of-mind performance guarantee. If you’re not satisfied, we’ll make it right. Upgrade your home's water quality with this comprehensive 5-stage replacement filter set for under-sink reverse osmosis systems. The package includes one high-performance sediment filter (5 micron), two premium carbon block filters (5 micron) crafted from coconut shell carbon, one high efficiency reverse osmosis membrane and one GAC post carbon filter to remove up to 99% of Harmful Contaminants. These 10-inch universal-fit cartridges are engineered to integrate seamlessly with most standard under-sink reverse osmosis systems, featuring standard-size filter housings. RO membrane capacity: 50 GPD @ 60 PSI