Materials used to control airflow and ventilation in data centers, namely, non-metal wall panels, non-metal retractable roofs, non-metal doors, and modular vinyl strip doors; materials for constructing data centers, namely, non-metal wall panels, non-metal retractable roofs, non-metal doors, non-metal framed door units, vinyl doors, and vinyl strip doors

clean air containment systems comprising a booth, blower and air filter for use in clean rooms