PART NAME: 75 BUNG SIZE: DIA 75MM*40MM PLASTIC PARTS CONSTRUCTED OF POLYPROPYLENE PLASTIC MATERIAL USED FOR DOMESTIC VENTILATION DUCTING FITTINGS IN CONSTRUCTION. THE FITTINGS ARE INJECTION MOLDED PLASTIC PARTS

GENERAL INTERPRETATIVE RULES 1 AND 6 TEXT TO CODES 3923 AND 3923 50 90 00 HS EXPLANATORY NOTES TO HEADING 3923 APPLICANT DECLARATION