MODIFIED LOWER CUP FOR A SMOKE DISPENSER. THE SMOKE DISPENSER IS AN ITEM FOR TESTING THE EFFECTIVENESS OF SMOKE DETECTORS. THE LOWER CUP IS A PLASTIC ITEM OPEN AT ONE END AND CLOSED AT THE OTHER. ITS PURPOSE IS TO SUPPORT THE LOWER PORTION OF AN AEROSOL SPRAY CAN THAT FITS INTO THE DISPENSER. THE LOWER CUP HAS A THREAD AT THE OPEN END WHICH ALLOWS IT TO BE SCREWED INTO THE DISPENSER.

CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6, CN 84799080 PARTS OTHER THAN OF CAST IRON OR CAST STEEL OF MACHINES AND MECHANICAL APPLIANCES HAVING INDIVIDUAL FUNCTIONS NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER. NOTE 2 (A) TO SECTION XVI.