THE ITEM IS A DEVICE FOR REDUCING THE VELOCITY AND INCREASING THE STATIC PRESSURE OF A FLUID PASSING THROUGH A SYSTEM. DIFFUSERS ARE USED TO SLOW THE FLUIDS VELOCITY WHILE INCREASING ITS STATIC PRESSURE, IT IS PART OF THE AIR GENERATION SYSTEM IN AN AIRCRAFT. THE AIR GENERATION SYSTEM PACK TAKES IN HIGH PRESSURE AND HIGH TEMPERATURE BLEED AIR FROM THE ENGINE OR THE AUXILLIARY POWER UNIT AND SUPPLIES COOL, DEHUMIDIFIED CONDITIONED AIR TO KEEP TEMPERATURES AND VENTILATION RATES WITHIN THE AIRCRAFT AT A SET RATE

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8415 AIR-CONDITIONING MACHINES, COMPRISING A MOTOR-DRIVEN FAN AND ELEMENTS FOR CHANGING THE TEMPERATURE AND HUMIDITY, INCLUDING THOSE MACHINES IN WHICH THE HUMIDITY CANNOT BE SEPERATELY REGULATED GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 841590 PARTS TARIC CODE 8415900090 - OTHER ALSO CLASSIFIED IN ACCORDANCE WITH: SECTION NOTE 2(A) TO SECTION XVI SECTION NOTE 2(E) TO SECTION XVII HSEN FOR PARTS OF HEADING 8415 REFERS