What is Freight Class?
You must assign your shipment a freight code when shipping products as LTL (less-than-truckload). This standardized code, issued by the National Motor Freight and Traffic Association, allows carriers to identify qualities of the shipment to help with transportation.
Ship conduits flues accurately by using the information below:
51045
Conduits Flues
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Commodity note:
Air or smoke, other than flexible, the term 'flexible' is descriptive of duct or flues that can withstand a bend of 180 degrees and return to original shape without deterioration of the wall structure; or Fittings therefor, NOI; metal, with or without components of other materials:
