Specification: Maximum Pressure: 90 psi (6.2 bar) Temperature:40-110F/5-45C Shelf life: 5 Years More valuable information: What is dimension of the housing? It is 4.5OD x 20 height . What is filters options? 1.PP spun filter, Reduce sand, dirt, sediment. life time:6 months.ASIN:B07794W9F8 2.Granular activited carbon filter, Remove chlorine, taste & odors, very fine particulates. life time:6months.ASIN:B0779YX41N. 3.Carbon block filter, Reduce chlorine, taste & odors, particulates. life time:6 months. ASIN:B07798RFVH. 4.PP pleated filter, the material is same as PP sediment,Reduce sand, dirt, sediment. life time:6 months. PS.The Life Time of the Filter Cartridge Depends on Usage Amount and Feed Water Quality. Note: Please lubricate the o-ring with silicon grease and use wrench provided to prevent leakage. 2. Protect filter housing from freezing. 3. This filter housing has a maximum test pressure rating of 90 psi, if you suspect that your water pressure will at any time exceed 60 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 50 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. - 20 Inch clear housing,1brass NPT inlet/outlet,with plastic wrench,screw and metal bracket ,air relase valve easy to replace - Clear housing allows you to see when you need to change filters and everything else works as it should - 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 - Fits standard sized 4-1/2 inch diameter by 20 inch whole house cartridges.Large capacity housing for high flow applications. Matched filter cartridges options, please refer and search product ASIN: B07798RFVH B07JM78FXT B07JNL4QFS B07TNJ86KZ B07TPLK752 B07JMMGND9 B081DH69JX via Amazon - Pack of 1,Housing only. filter cartridges are sold separately.NOTE:THE MATERIAL OF CLEAR HOUSING IS NOT STRONG AS BLUE COLOR HOUSING,SUGGESTED WORK PRESSURE IS UNDER 50 PSI