This article explains the concept of laminar flow hoods, which include laminar flow clean benches and biosafety, or biological safety, cabinets. The prospective purchaser of a laminar flow hood will want to consider how it will be used and the type of protection it will provide to the user. Those looking for sterile environments will opt for a horizontal, versus vertical, laminar flow clean bench, because it contains a HEPA-filtered horiziontal laminar airflow. Added protection for the user and the environment is provided with a biological safety cabinet. Varying levels of protection are offered, depending on the class of biosafety cabinet purchased, with the maximum protection found in Class III biological safety cabinets.
Read the full article on Labcompare