Profile: Hydro Systems International is a provider of filtration products. Our filter cartridge housings are suitable for a broad range of residential, commercial, and light industrial applications. We offer a wide range of cartridge styles, sizes and micron ratings for particulate filtration and activated carbon filtration. Our stainless steel filter cartridge includes multi-length cartridges for reducing sediments, rust & grit, and activated carbon cartridges reduce off-tastes, odors, chlorine, and organic impurities. Our ice-maker filters are designed for use on refrigerator ice-makers, water coolers, and other point-of-use applications with a small space & intermittent use.