a device to be used as part of a new or existing rain gutter system , positioned between and joining an open - end gutter and the downspout , that utilizes the movement of flowing rain water to keep the system open and draining by floating and pushing nuisance debris to and out the low open end on to the invention . removal of the low point end stop and repositioning the downspout connector eliminates the primary causes of pooling and build up of debris . very steep smooth parallel bars , covering the top of a trough - shaped collector box . receive the effluence and separate the solids from the liquid , as the solids slide down and off the end while the liquids fall between the bars into the collector box for passage to the downspout connected at the bottom . the device enables the gutters to discharge at speeds and volumes consistent with collection minimizing the possibility of spillage while , at the same time , keeping the system open and flowing without the need for frequent hand cleaning . a versatile connector - adaptor enables connections to selected rectangular and round downspout pipe , rotating to accommodate the attitude of the pipe .