FULL FLOW TROUGH VALVE. IT IS A DIAPHRAGM VALVE WHICH COMES WITH AN ADJUSTABLE ARM THAT PROVIDES AN AIR GAP TO PREVENT BACKFLOW. IT IS TYPICALLY FOUND IN WATER FEEDING TROUGHS ON FARMS. IT INCLUDES THE VALVE AND A FLOAT AT POINT OF IMPORT WITH THE VALVE BEING THE ESSENTIAL COMPONENT. IT IS MADE OF PLASTIC.

GIR 1, 3b & 6. THE TEXT TO CODES 8481, 8481 80, 8481 80 87 & 8481 80 87 90. THE HSEN TO HEADING 8481. CROSS Rulings NY C89818.