CHC-888B2 is a product of BSC Class II Type B2, which protects all of the researcher, product and environment, and exhausts all of 100% of the air that passed the work space to the outside through the HEPA filter. Hard exhaust connection, airtight damper,
exhaust airflow sensor will be provided in standard, and in case of the abnormal outside exhaust air volume, operation of the blower is immediately stopped for the safety.