American Hunter 3-Way Gravity Tube. It has three 8" feed tubes .75" lip that helps prevent feed spillage and a 3.5" diameter tubes at 9 degree angle. Specifications for American Hunter 3-Way Gravity Tubes: Manufacturer: American Hunter Color: Black Fabric/Material: Metal Condition: New Digital: No Features of American Hunter AH-GRAV-KIT 3-Way Gravity Tube Twist Lock Flat Mounting No maintenance required No need to set timer Unique look No Electronic part 3 feed tube Package Contents: American Hunter AH-GRAV-KIT 3-Way Gravity Tube American Hunter 3-Way Gravity Tube AH-GRAV-KIT