An operation amplifier and a circuit for providing dynamic current thereof are disclosed. According to the invention, the laminated glass pane is comprised of a statically or dynamically loadable supporting glass pane and of at least one covering glass pane, which is joined to the supporting glass pane via a casting resin layer and which is provided with electrically conductive transparent conductor paths. The disclosure is directed toward loan transactions for small businesses. In the preferred embodiment, a frusto-conical divider is connected to the top of the filter element and extends downward adjacent a bottom portion of the filter element wherein the fluid from the inlet rises between the filter element and the inside of the divider and between the outside of the divider and an inside surface of the housing.