PART NAME: 125 DUST CAP SIZE: DIAMETER 125MM x 40MM THE PART IS MADE OF POLYPROPYLENE PLASTIC AND IS USED FOR DOMESTIC VENTILATION DUCTING FITTINGS IN CONSTRUCTION. THE FITTINGS ARE INJECTION MOLDED PLASTIC PARTS.

GENERAL INTERPRETATIVE RULES 1 & 6 OF THE COMBINED NOMENCLATURE. TEXT TO CODES 3923, 3923 50 AND 3923 50 90 EXPLANATORY NOTES OF HARMONISED SYSTEM TO HEADING 3923.