Check the listing for details. Geekpure 4 Pack Carbon Block Replacement Water Filter 4.5" x 10" - 5 Mic. Color: Gray, Condition: New. Listed at 44.99 USD. Standard Size Fits all standard 10" sized whole house water filter housings, size at 4.5" diameter x 10" height. High Quality Coconut Carbon FOOD GRADE MATERIAL-Made of 100% high quality coconut carbon . Carbon block filter is used to remove chlorine, taste & odors, very fine particulates. life time:6-12months ,these can be used for residential and commercial applications. How It Works? Please refer above photo. Features: FOOD GRADE MATERIAL-Made of 100% high quality coconut carbon . STANDARD-Fits all standard 10" sized big blue filter, size at 4.5" diameter x 10" height Function-Carbon block filter is used to remove Remove chlorine, taste & odors, very fine particulates. life time:6-12months ,these can be used for residential and commercial applications GOOD PACKING-All Filters are individually wrapped&sealed and extend shelf life RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA) Specification: FEED WATER PRESSURE: 40 - 100 PSI , TEMPERATE:40-110°F/5-45°C, PH:3.0 -11.0, MAX TDS :1000 PPM, TURBIDITY < 1.0 NTU, MAX SDI