Check the listing for details. Pentek CFB-Plus20 Water Filter - 20" Carbon Filter 255675-43. Condition: New. Listed at 31.89 USD. Pentek CFB-Plus20 Water Filter - 20" Carbon Filter 255675-43 This Pentek CFB-Plus20 Water Filter Cartridge Replacement is a 20 inch molded carbon block water filter replacement for use in many water filter systems. The Pentek 255675-43 is a standard diameter filter (2 1/2") which combines thorough chlorine reduction with sediment removal in a single filter cartridge. It is an enhanced version of the basic Pentek CFB-20 filter that offers even more thorough chlorine and sediment reduction.This Pentek filter replacement cartridge uses advanced Fibredyne carbon block technology for up to two times the chlorine taste and odor reduction and dirt holding capacity of standard carbon block filters. It also reduces sediment, dirt, rust, sand, silt, limescale, and other particulates.Pentek CFB-Plus Series water filter cartridges are manufactured entirely from FDA approved materials and can be used for numerous in home, undersink, commercial, food service, and light industrial uses. This Pentek CFB-Plus20 filter is also known by Pentek part number 255675-43 / 25567543.Specifications:Connection: Drop inTemp. Range: 40 - 180 FMicron Rating: 5 micronFilter Media: Modified molded carbon blockDimensions: 20" length x 2 7/8" diameterGallons Per Minute: About 1-2 GPM flow rate depending on specific filter systemFilter Life: About 6 months or 20,000 gallons depending on usage and water qualityNOTE: This cartridge should be flushed for a few minutes prior to first use in order to remove excess carbon fines