Osmonics TO-320 wall-mount triplex pre-filter assembly rated at approximately 6 GPM. Unit consists of three Pentair 158205 20-inch housings with filters, valve assemblies, pressure gauges and mounting bracket. Includes one Hytrex GX04-20, 5 micron sediment filter and two Sta-Rite F10-250-20 carbon filters. Filter assembly is unused in original package. Package dimensions: 27 x 17 x 7.