Features 2 Stage Whole House Water Filtration System with 5 Micron PP Sediment and Carbon Block Filter ,2 x 10 inch clear housing-1 Inch Inlet/Outlet,plastic wrench and screws Clear housing is convenient to indicate and track of your filter life .It is time to replace a new one when you find PP sediment is dark yellow or brown color.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 FUNCTION-PP Sediment is used to remove silt, sand, rust, dirt, and other undissolved particles, Carbon block filter is used to remove chlorine, taste & odors, very fine particulates HIGH QUALITY-Fits NSF standard,Large capacity housing for high flow applications.Note : this system will NOT reduce Total Dissolved Solids (TDS),but keeps healthy minerals in your water. If you are searching for a filter that removes TDS, Please refer Geekpure Reverse Osmosis systems LIFE TIME:6-12 months or 100K gallons water.Flow rate : 5-15 GPM (Depend on Feed Water Pressure).NOTE:THE MATERIAL OF CLEAR HOUSING IS NOT STRONG AS BLUE COLOR HOUSING,SUGGESTED FEED WATER WORK PRESSURE IS UNDER 50 PSI Pure Water for Whole House 2 Stage Geekpure Whole House Water Filter System 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. Flow rate:5-15 GPM (depend on feed water pressure.) PP Sediment Filter PP Sediment is used to remove silt, sand, rust, dirt, and other 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. Life time:6-12 months or 100 K gallons (Depends on Usage Amount and Feed Water Quality) . Carbon block filter Carbon block filter is used to remove chlorine, taste & odors,rust and very fine particulates. Life time:6-12 months or 100 K gallons (Depends on Usage Amount and Feed Water Quality) . Flow rate:5-15 GPM (depend on feed water pressure.) Specification: Maximum Pressure: 90 psi (6.2 bar) , Temperature:40-110°F/5-45°C , Shelf life: 5 Years. Note: 1. Please lubricate the o-ring with silicon grease and use wrench provided to prevent leakage. you may search «whole house water filter » on YouTube, there is installation video for refer, it is very helpful if it is the first time to install it. 2. Protect filter housing from freezing. 3. This filter housing has a maximum operating pressure rating of 90 psi, if you suspect that your water pressure will at any time exceed 80 psi, a pressure regulator MUST BE INSTALLED before the filter housing. this action will guard against the water pressure exceeding the maximum pressure rating.it is recommended that the pressure regulator be set at 60 psi or less. 4. The rubber o-ring provides the water tight seal between the cap and the sump. it is important that the o-ring be properly SEATED IN THE GROOVE of a water leak could occur. More valuable information: 1. What is dimension of the filter housings and filter cartridges ? ANSWER: It is standard sized 4.5″ OD x 10″ height . 2. What is in the box? ANSWER: 2 x 10 inch clear housing with pressure release , 2 x plastic wrench ,2 x metal bracket.2 bags screws,1 x PP sediment filter, 1 x carbon block filter. 3.What is filters options? ANSWER: 1.PP spun filter, Remove sand, dirt, sediment. life time:6 months. 2.Carbon block filter, Further remove chlorine, taste & odors, very fine particulates. life time:6 months. 3.PP string wound spun filter, Remove sand, dirt, sediment. life time:6 months. 4.PP pleated spun filter, Remove sand, dirt, sediment. life time:6 months. 5.2 x PP and 2 x carbon filters, life time:6 months. PS.The Life Time of the Filter Cartridge Depends on Usage Amount and Feed Water Quality. PP2CTO2-10B CTO-10BX4 PP-10BX4 CTO-10BX2