Optima Technic manufactures BSL2 and BSL3 protection class mobile laboratories in line with customer request. The entire unit is air-conditioned with a HEPA filtered ventilation system (100% fresh air) at the inlet and outlet. In BSL2 and BSL3 laboratory units, personnel entrance and exit are provided and controlled by Airlock doors. In line with customer request, Airlock doors are controlled with a hand sensor, button, card access, finger reading or password entry. Air flows in the laboratory, airlock and main entrance rooms are controlled by negative pressure.