This listing is for two filters. The Pentek 255668-43 can be used in the following applications:ElectroplatingThis Pentek ELPC-10 Filter Cartridge Replacement is a 10 inch electroplating filter for use in various electroplating applications and electroplating solutions. The Pentek 255668-43 is standard diameter filter (2 7/8" diameter). The Pentek ELPC-10 uses Fibredyne technology which is the optimal filter technology available for use in a wide range of electroplating applications and will help prevent plating porosity and brittleness.This advanced Pentek electroplating filter replacement cartridge is specifically made to reduce sulfur, chlorine, and other chemicals in water that may cause problems during the electroplating process. It also removes or reduces sediment, dirt, rust, and other impurities.Pentek ELPC-10 Filter Replacement Specifications:Connection: Drop inTemp. Range: 40 - 180 FInitial Pressure Drop: 3.4 PSIMicron Rating: 7 micron nominalDimensions: 10.08" (with gaskets) length x 2 7/8" diameterFilter Media: Granular activated carbon (GAC)Reduces: Sulfur, chlorine, sediment, dirt, and other chemicals and impuritiesGallons Per Minute: About 1 GPM flow rate depending on specific filter systemFilter Life: About 3-6 months depending on usage and water quality; filter should be replaced when a reduction in flow rate is noticedNOTE: this cartridge should be flushed for a few minutes prior to first use in order to remove excess carbon finesThe manufacturing of this filter ensures that there is no bleeding of carbon fines into the plating bath and that sulfur is not leached into the plating bath. It is resistant to chemical breakdown up to 180 degrees Fahrenheit. The depth filtration of this cellulose free electroplating filter has a high dirt holding capacity and minimum pressure drop.This Pentek ELPC-10 electroplating filter is also known by Pentek part number 255668-43.This filter will only fit 10 inch standard housings, and not slim line housings.