A fluid dispense tip includes a bevel at an opening to reduce the amount of surface tension, or \u201cland\u201d, at the opening. A collapsible valve is disposed within the cavity. A catalyst such as a SCR catalyst is disposed downstream of the straight section. The cleats help stabilize the column assembly during the concrete pour operation so that it does not shift out of position. A movable piece is placed in the annular groove of a speed change disk.