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 8421 - CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES
GIR 3B HAS BEEN USED AS THE AIR PURIFIER IS CONSIDERED TO GIVE THE PRODUCT ITS ESSENTIAL CHARACTER.
GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL. 842139 FILTERING OR PURIFYING MACHINERY AND APPARATUS FOR GASES: OTHER THAN INTAKE AIR FILTERS FOR INTERNAL COMBUSTION ENGINES
CN CODE 84213920 MACHINERY AND APPARATUS FOR FILTERING OR PURIFYING AIR
TARIC 8421392090 OTHER THAN FOR USE IN CIVIL AIRCRAFT
ALSO CLASSIFIED IN ACCORDANCE WITH:-
HARMONISED SYSTEM EXPLANATORY NOTES (HSEN) (II) (B) TO HEADING 8421