H-300 Everpure hole house or business water filter system new in the box comes with the filter and housing and hookup’s everything you need to install that comes with it.  You will need a plumber to cut your water lines and or solder the connections or press the water fittings. 1/2 inch  pecks or copper  male adapters or female adapters w hitch ever it goes to it then you might want a shut off valve to change filters.