Non-metal ducts for air conditioning systems; lineset covers being non-metal covers for HVAC ducts; piping covers being non-metal covers for HVAC piping; fittings for air conditioning systems, namely, non-metal pipe fittings for rigid pipes in air conditioning systems in the nature of joints, connectors, couplings, reducers, caps and wall inlets

Plastic ducts and couplings for organizing and holding fiber optic and similar cable and wiring