Geekpure 10 Inch Reverse Water Filter Housing for RO Filtration System -1/4" Port-2.5" Replacement housing for Reverse System,Widely used in RO system or pre-filtration. It is not universal compatible filter housing,Different ,thread part is different.Alternatively, you may obtain a replacement sump from your if you don't want to re-install It fit standard 2.5" x 10" filters.Matched filter cartridges options, please refer ASIN: B07LC7RXDB | B07LCDDYHQ | B07LCCJ9P5 | B07L9XRCSC | B07LC984 | B07BGRLFG4 | B074XCYF93 | B07BGXTY3B via INLET--1/4" female threaded, we put matched quick fitting in the box, please use the fittings Easy to install,Work Temperature:40-120°F/5-50°C ,Work Pressure : 10-60 psi Pack of 7. 1 x Filter housing , 2 x O rings ,1 x ,2 x fittings,1 set screws NOTE:PLEASE REPLACE HEAD AND HOUSING BODY TOGETHER.,IF ,IT DON'T FIT,if you mind to replace old top head,please replace housing with your old If you need 10 inch whole house water filter housing, inlet and should be 3/4 inch ,please refer our other product ASIN B07LCKBKCT | B07LCKLP5K | B09WDBBTZV via