DSI Inc 401 State Rt 117 , Goodfield , Illinois 61742 USA About Solutions products Publications videos Downloads Companies DSI Inc Products Wing Drop Tube Wing Drop Tube 0 Share Option for Sweep injecting. Fits both 2-1/2' & 3' Hoses. Enhanced plug-free performance. Customer reviews No reviews were found for Wing Drop Tube. Be the first to review! Add your review Publish your review Great! review successfully added!