Essential Mineral Restoration: Crafted with natural materials, this RO mineral filter for reverse osmosis systems replenishes calcium, magnesium, sodium, and potassium. It provides up to 12 months of use or filters 1100 gallons of water. For optimal performance, replace it after 9 months. Economical & Sustainable: Using this mineral filter for our tankless RO system under sink helps save up to 8300 single-use bottles and $12600 on bottled water costs. Note: Do not connect the mineral filter to hot water pipes. Seamless Filter Replacement: Featuring 1/4" quick-connect fittings, the mineral filter allows effortless filter replacement. No tools, no hassle: just plug in and go. It's compatible with a wide range of tankless reverse osmosis systems and under sink water filters. Versatile Application: The AICRO-activated carbon alkaline filter mimics natural mineralization, enriching water with essential minerals. Easily attach it to your fridge, tankless RO system, or kitchen sink to enjoy fresh, secure drinking water every day. Revitalize Your Water: This mineral filter adds essential minerals and trace elements to your water, supporting long-term benefits like reduced risk of chronic illnesses, anti-aging properties, better digestion, and enhanced immunity.