Gingrich Enterprises, Inc. 1503 W Front St , Roanoke , Illinois 61561-7434 USA About Solutions products Companies Gingrich Enterprises, Inc. Products G.E.I. - Hopper Grate G.E.I. - Hopper Grate 0 Share The GEI Hopper Grate Relieves the Pressure on the Hopper Bottom Door by 50%, Greatly Reducing the amount of effort it takes to open the door when loaded! The GEI Hopper Grate fits 24″ and 26″ x 30″ Door Openings! Customer reviews No reviews were found for G.E.I. - Hopper Grate. Be the first to review! Add your review Publish your review Great! review successfully added!