AE

Non-metallic flexible pipes and hoses being parts of air intake application, heating and air conditioning systems in houses, office buildings and industrial buildings; non-metal flexible pipes of polymer being parts of air intake application, heating and air conditioning systems in houses, office buildings and industrial buildings; rigid pipes of polypropylene being parts of air intake application, heating and air conditioning systems in houses, office buildings and industrial buildings

Non-metal vent cover for hvac ducts; non-metal ventilating ducts