Includes Air Duct, Metallic, Nonmetallic, And Textile Fiber Hoses And Their Assemblies, Flexible Tubing And Their Assemblies.
Excludes Conduit And Their Assemblies (Fsc 5975); Laboratory Tubes (Fsc 6640); Medical And Surgical Tubes (Fsc 6515); Rigid Tubing And Their Assemblies (Fsc 4710).