About This Complete 2 Stage Filtration System: Includes 5 Micron PP Sediment and Carbon Block Filter ,2 x 10 inch clear housing-1 Inch Inlet/Outle brass thread,plastic wrench and screws, Note:Do not overuse Teflon tape during setup. Excess tape can puncture brass threads and cause water leakage issues Whole House Water Treatment: Installed at the main water supply to treat water throughout your entire home, suitable for family, hotel, and restaurant use as prefilter. Protects water heaters, washing machines, and showers by filtering out sediment, chlorine and other particles 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 Dual Filtration Function: PP Sediment filter reduces silt, sand, rust, and dirt with color-changing indicator that displays filter lifetime. Replace when filter turns dark yellow or brown. Carbon block filter reduces chlorine, taste and odors. Note:this system will NOT reduce hardness ,heavy metail nor reduce Total Dissolved Solids (TDS),but keeps healthy minerals in your water. If you are searching for a filter that reduce TDS, Please refer Geekpure Reverse Osmosis systems,ASIN:B08X28QFB6 High Flow Capacity Performance: Large capacity housing supports flow rate of 5-15 GPM depending on feed water pressure. Feed water work temperature: 40-110F/5-45C, Work Pressure: 10-50 psi, Filter lifetime: 6-12 months depending on usage amount and feed water quality NOTE:THE MATERIAL OF CLEAR HOUSING IS NOT STRONG AS BLUE COLOR HOUSING,SUGGESTED FEED WATER WORK PRESSURE IS UNDER 50 PSI Safe Filter Replacement Design: Built-in pressure release valve allows for safe and easy filter replacement by relieving internal pressure before opening the housing. Tighten exhaust valve area by one turn when installing the cover It is used to protect your water heaters, washing machines, and showers by filtering out sediment ,chlorine and other particles Professional Support and Expertise: Manufactured by professional company with 20+ years of expertise in water filtration systems, backed by 24/7 technical support Fits all standard sized 4-1/2 inch diameter by 10 inch whole house filters cartridges.Geekpure filter cartridges options, please refer and search product ASIN: B07JNC5GM4 | B07797MT8K | B077971QT7 | B07JPZ183L | B07TMCPJVD | B07TJ6MXKM | B07JPKX289 via Amazon, ASIN for replacement o ring: B07D9JDQGJ Overview Material : PP ,Carbon,Metal bracket,Plastic wrench Product Dimensions : 15.35"D x 8.4"W x 16.81"H Item Weight : 20 Pounds External Testing Certification : NSF Product Benefits : 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 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