Small Package. Big Results. Opti-Pak Rinse-Aid is ultra- concentrated and specially formulated for use in both low and high temperature dishmachine applications. Special conditioning agents reduce surface tension to provide rapid draining and rinsing. Controlled foam formula works over a wide temperature range and counteracts spotting caused by water impurities and dissolved solids. Compatible with both quaternary ammonium and chlorine sanitizers at use concentrations. Opti-Pak products use a Closed Loop System and requires a Handi-Lock Connector.