A filter assembly for fluid filtration having a push-activated lock and release mechanism. The system will need to be installed in all emergency vehicles first and then into the passenger vehicles to get immediate benefits from this system . The output of the one-bit analog-to-digital converter is fed to a counter to give a representation of the brightness of the light-to-charge conversion in the associated pixel. The male mold defines a male cavity for receiving the second conductive terminals therein.