Geekpure 20-Inch Whole House Polypropylene Pp Sediment Filter-4.5" X, 5 Micron Made of Melt-Blown Polypropylene,4 Pieces in the box.5 Micron. LIFE TIME:6-12 months or 100K gallons water.Flow rate : 5-15 GPM (Depend on Feed Water Pressure) Fits standard 20" whole house water filter housing, size at 4.5" diameter x 20" height Sediment cartridge is used to reduce silt, sand, rust, dirt, and undissolved particles,The PP filter display different color and tracks the life time as you use,It is time to replace a new one when it is dark yellow or brown All Filters are individually wrapped sealed to extend shelf life.these can be used for residential and commercial applications It is Installed at the main water supply and produce pure water for your entire home. Enjoy better water from every tap and every appliance in the whole house ISO9001:2015 certificated Manufacturer