FLUID FILTER ASSEMBLY WITH A FILTER CARTRIDGE AND HOUSING INTERFACE

摘要

A fluid filter assembly having a filter cartridge and housing interface to indicate whether a replacement filter cartridge is proper and desirable for the fluid filter assembly. A substantially cylindrical interface is connected to and extends from the filter cartridge and is matingly received by a bore provided in a boss of a housing of the fluid filter assembly. A means for indicating at least one characteristic of the filter cartridge is provided to ensure the replacement filter cartridge is proper and desirable for the fluid filter assembly.