NAUTILAIR VARIABLE SPEED BLOWER 240 VOLT AC INPUT THE ITEM IS AN ELECTRICALLY POWERED DEVICE DESIGNED TO PULL AIR IN THEN BLOW AIR OUT. IT IS CONSTRUCTED OF AN ALUMINIUM HOUSING AROUND A HARDENED ALUMINIUM IMPELLER POWERED BY AN ELECTRIC MOTOR. THERE ARE RUBBER O RINGS TO SEAL THE UNIT. IT IS A KEY PART IN AN AIR FILTER UNIT. WHEN IT IS SWITCHED ON IT DRAWS AIR AWAY FROM A NOXIOUS ENVIRONMENT AND THEN BLOWS THE AIR INTO THE FILTER PART OF THE UNIT. IT WOULD HAVE NO PURPOSE IF IT WERE NOT INSTALLED INTO A MACHINE OF SOME SORT, IN THIS CASE AN AIR FILTRATION UNIT. WITHOUT A BLOWER THE MACHINES WOULDN'T WORK.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING: GENERAL INTERPRETIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8421 CENTRIFUGES, INCLUDING CENTIFRUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES. PARTS GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 842199 CN CODE 84219990 OTHER THAN OF CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS OTHER THAN ELSEWHERE SPECIFIED IN THIS HEADING ALSO CLASSIFIED IN ACCORDANCE WITH HSEN NOTE 2B TO XVI