Express Water &ndash; 1 Year Alkaline Reverse Osmosis System Replacement Filter Set &ndash; 10 Filters with 50 GPD RO Membrane &ndash; 10 inch Size Water Filters Exactly what you need - Drink the healthiest water on Earth. All our filters are specially engineered to work together, producing the safest best tasting water youll ever drink. Get what your body needs - Our Active Mineral Technology adds Calcium, Potassium, Magnesium, and other minerals your body needs right in your water. Smart Filtered Sediment: The outer layers catch the coarsest contaminants and the inner layers catch finer contaminants. This means your filter lasts longer and give you the best value Highest Contaminant Reduction Rated Membrane - Density graded membrane film ensures that you get the most filtration and surface area coverage Quick Connect Compatible - Fully  quick connect compatible inline PAC carbon post filter Get the essential minerals other filters remove Calcium, Potassium, Magnesium, and other minerals your body needs right in your water A great source of antioxidants to help you recover energy Up to 20% more oxygen than regular water Higher pH helps balance your water and keep your body at a healthy pH Pleated high capacity design captures more contaminants than other filters Made with precision packed 100% pure food-grade polypropylene microfiber Fast 1 GPM filtration Multi-Layered Smart Filter: Made with 4 distinct layers. The outer layers catch the coarsest contaminants and the inner layers catch finer contaminants. This means your filter lasts longer, catching more sediments before it needs to be replaced. Removes: Sand, Dirt, Silt, Dust, Scale, Rust, and other sediments Captures more contaminants than other Carbon filters with efficient laboratory vacuum heated carbon granules from cleaned coconut husks GAC and ACB: Precision thermal bonded cap with industrial sealed silicon ring prevents leaks High rejection rate of: Chlorine, Volatile Organic Chemicals, Halide, and Chemicals causing bad tastes and odors GAC and PAC: Equal Flow Technology: Efficiently arranged carbon granules create full coverage filtration which means your filter lasts longer giving you the best value in filtration ACB: Efficiently packed carbon granules maximize your filtration surface area which means your filter lasts longer and filters more Compact high density graded reverse membrane layers make this the highest contaminant reduction rated Reverse Osmosis Membrane Catches contaminants as small as 0.0001um (1/10,000th of a micron) like microorganisms and viruses Made with 100% FDA approved food grade material. Inner layers made from polyamide thin-film composite High rejection rate of: Chlorine, Total Organic Carbon (TOC), Benzene, Industrial Solvents, Turbidity, Pesticides, and Chemicals causing bad tastes and odors Density grading of the membrane layers gives your filtration the most surface area which means your filter catches more contaminants and lasts longer giving you the best value in filtration Free lifetime support Have any questions about your system or your homes water answered by experts