Vertical laminar air flow IVF version is used for providing sterile work environment for in vitro fertilization process to deliver filtered airflow consistently to avoid entrance of air borne germs. It has multiple heating zones that help to maintain ambient temperature throughout the work surface. Separate heating accessories and sensors have been installed for each of its heating zone to avoid cross heating. Vertical laminar air flow IVF version allows operator to select required operating mode from its multiple temperature mode. This laminar air flow unit has arrangement of integration for microscope as part of its advanced features.