Hog Slat Inc. Newton Grove, NC USA June 2020 4 Grow-FlexTM Feed System 3. Snap the Shutoff Assembly with Cord on the Fill System Pipe of previously drilled or cut Outlet Hole. 4. Assemble (snap) the Outlet Drop onto the Fill System Pipe under the Shutoff Assembly over the Outlet Hole. Outlet Drop should remain in place.