Check the listing for details. Everpure H-300-HSD Replacement Cartridge. Color: Silver, Condition: New. Listed at 129.99 USD. The Everpure H-300-HSD is the replacement filter cartridge for the H-300-HSD water filtration system. Exclusive Micro-Pure® filter media reduces common water contaminants and substances 1/2 micron or larger, including Cyptosporidium cysts, to provide crisp, clean tasting water in your home. Scale inhibitor is blended into the Micro-Pure® to reduce mineral build-up in water using appliances. The pleated filter reduces silt, VOCs, THMs, lead, chlorine taste and odor, mold and algae, and limescale. A bacteriostatic agent is used to combat the growth and reproduction of bacteria within the cartridge to prevent premature clogging. To maintain the highest quality of filtered water, the H-300-HSD cartridge should be replaced annually, when rated capacity is reached, or when flow is diminished.Specifications:Filter Life: 6-12 MonthsFlow Capacity: 300 GallonsFlow Rate: 0.5 gpmPressure Rating: 10-125 psiCertifications: NSF/ANSI 42 & 53NOTE: The Everpure H-300-HSD (HSD=High Silt Density) is made specifically to filter out silt. Most customers do not require this additional feature and should order the Everpure H-300 filter cartridge.