Atlas Filtri HYDRA sediment filter systems are specially designed self-cleaning filters with the most effective back-wash process, in cold water applications. The filters are designed to automatically back-wash from the center of the cartridge out when the drain valve is opened. The product line includes a full proprietary stainless steel, polypropylene and polyester cartridges, from 50 to 90 microns, designed for various applications, with pressure rating 125 psi and flow rates from 15 gpm to 42 gpm. HYDRA are available with NPT tapered IN/OUT connections in ½”, 3/4”, 1”, 1”1/2 and adapt to any point-of-entry or heavy sediment application for residential, commercial and industrial water filtration. The optional HYDRA-M are models provided with two pressure gauges. Included in the design are the drain kit with ball valve, plastic hose connection and air-gap that meets the plumbing code. HYDRA self-cleaning filters come complete with plastic wall mount bracket and housing wrench. LubriKit food grade lubricant for proper o-ring lubrication is an optional accessory.