A filtration system comprising: a housing (302, 602, 712, 1061) comprising a fluid inlet and a fluid outlet, the housing defining an internal volume; a first filter element (320, 620) configured to be removably disposed within the housing (302, 602, 712, 1061); a short-range wireless communication tag (322, 622, 1092, 1322, 1492) associated with the first filter element (320, 620); a short-range wireless communication reader (324, 624, 764, 1094, 1324, 1494) associated with the housing (302, 602, 712, 1061), the reader configured to wirelessly send data to and receive data from the short-range wireless communication tag (322, 622, 1092, 1322, 1492) when the short-range wireless communication reader (324, 624, 764, 1094, 1324, 1494) and the short-range wireless communication tag (322, 622, 1092, 1322, 1492) are at a distance that is less than or equal to a maximum communication distance; wherein removal of the first filter element (320, 620) from the housing (302, 602, 712, 1061) causes movement of the short-range wireless communication tag away from the short-range wireless communication reader by an amount that causes the distance between the short-range wireless communication tag and the short-range wireless communication reader to exceed the maximum communication distance, and wherein the filtration system further comprises a system controller configured to receive electrical signals from the short-range wireless communication reader, characterized by the fact that the system controller is configured to identify ON-OFF-ON patterns in the electrical signals received from the short-range wireless communication reader; wherein detection of an ON-OFF-ON pattern is counted as a filter element removal or a filter reinstallation event; wherein the OFF phase of the pattern corresponds to periods of no communication between the short-range wireless communication tag (322, 622, 1092, 1322, 1492) and the short-range wireless communication reader and the ON phase of the pattern corresponds to periods of communication between the short-range wireless communication tag (322, 622, 1092, 1322, 1492) and the short-range wireless communication reader. a housing (302, 602, 712, 1061) comprising a fluid inlet and a fluid outlet, the housing defining an internal volume; a first filter element (320, 620) configured to be removably disposed within the housing (302, 602, 712, 1061); a short-range wireless communication tag (322, 622, 1092, 1322, 1492) associated with the first filter element (320, 620); a short-range wireless communication reader (324, 624, 764, 1094, 1324, 1494) associated with the housing (302, 602, 712, 1061), the reader configured to wirelessly send data to and receive data from the short-range wireless communication tag (322, 622, 1092, 1322, 1492) when the short-range wireless communication reader (324, 624, 764, 1094, 1324, 1494) and the short-range wireless communication tag (322, 622, 1092, 1322, 1492) are at a distance that is less than or equal to a maximum communication distance; wherein removal of the first filter element (320, 620) from the housing (302, 602, 712, 1061) causes movement of the short-range wireless communication tag away from the short-range wireless communication reader by an amount that causes the distance between the short-range wireless communication tag and the short-range wireless communication reader to exceed the maximum communication distance, and wherein the filtration system further comprises a system controller configured to receive electrical signals from the short-range wireless communication reader, characterized by the fact that the system controller is configured to identify ON-OFF-ON patterns in the electrical signals received from the short-range wireless communication reader; wherein detection of an ON-OFF-ON pattern is counted as a filter element removal or a filter reinstallation event; wherein the OFF phase of the pattern corresponds to periods of no communication between the short-range wireless communication tag (322, 622, 1092, 1322, 1492) and the short-range wireless communication reader and the ON phase of the pattern corresponds to periods of communication between the short-range wireless communication tag (322, 622, 1092, 1322, 1492) and the short-range wireless communication reader.