5-stage tank filter with an extra pack that lasts for 6 months

Stage 1 (PP): The only NSF certified polypropylene cartridge - made of high density cellulose fibers (5) microns removes rust, cracks, impurities, insects, dust and sand Stage (PP): NSF certified polypropylene cartridge. High density cellulose fibers (5) microns remove rust, cracks, impurities, insects, dust and sand Stage 2 (GAC): The highest grade of coconut carbon block that absorbs color, odor, chlorine, taste and organic matter Stage 3 (CTO): Ensures the best water purification from color, odor, chlorine, taste and organic matter. Carbon filter after stage 4: The finest coconut carbon that enhances taste and odor. Stage 5 Calcite: High quality that adjusts mineral pH. No storage space required With Tank's 5-Stage Ultra Pure Filtration System and a free countertop, the unit is ideal for under-sink installation. All food-grade, FDA-approved plastics make it safe and easy to clean. With the filter, a 3-stage tank pack of 4 candles is sufficient for up to 6 months