Geekpure 10-Inch Whole House Clear Filter Housing - 3/4"Npt Brass Port-Fit For 10 Inch whole house clear water filter housing,3/4 inch brass ports with pressure relief button for high pressure,with plastic wrench and bracket.clear housing allows you to see when you need to change filters and everything else works as it should STANDARD-Fits all standard sized 2.5 inch x 10 inch filters . Housing only, filter cartridges are sold separately APPLICATIONS-Use for whole house, inline, or under sink,Extends life of washing machines, water heaters and other household appliances 1 year limited warranty,30 Days Money Back Guarantee,ASIN for replacement o ring: B085XRPLCS Ideal for residential homes, this point-of-entry filter system helps to protect your pipes and water using appliances from sediment build-up