Check the listing for details. Pentair Pentek ECP5-BB Sediment Whole Home Water Filter - W5CPHD 255490-43. Condition: New. Listed at 22.86 USD. Pentair Pentek ECP5-BB Sediment Whole Home Water Filter - W5CPHD 255490-43 *Note, this item is not recommended for well water applications. The Pentek ECP5-BB filter cartridge fits the following housings: Standard 10 inch water filter housings The Pentek ECP5-BB Whole Home Water Filter - W5CPHD is a whole home water filter that reduces extra-fine sand, dirt, silt, rust, and scale particles. The construction of this pleated water filter provides a excellent dirt-holding capacity while maintaining a high flow rate. This Pentek water filter also provides higher wet strength than regular cellulose cartridges. This 5 micron water filter contains more media surface area than most competitive cartridges. The standard 10 inch ECP cartridges contain six square feet of media, where most cartridges contain only 4.5 square feet. This replacement water filter cartridge fits Culligan HD-950 filter housing and should be replaced every four months. Filter Specifications: Part number: ECP5-BB Replaces Part Number: W5CPHD 5 micron rating Flow rate: 20 GPM Temp. Rating: 40 - 125 °F Dimensions: 4 1/2" x 9 3/4" 16,000 gallon filter capacity Pentek part number 255490-43 Reduces extra-fine sand, rust, dirt, silt and scale particles The American Plumber W5CPHD is also known as ECP5-BB, ECP5BB, CP5BB, CP5-BBS and the CP5-BB by Ametek, Bruner, Culligan, Kleen Plus, Pentair, Pentek, Plymouth Products and US FILTER, and is also known by American Plumber part number 155184. The HD-950 filter also replaces the Keystone GPC5 Filter.