FlowFAST H are positive pressure ISO Class 3 horizontal laminar flow cabinets which represent far more economical and valid alternatives to clean-rooms, as they are capable of providing uncontaminated, particle-free and sterile conditions for materials in the work-space. They guarantee and maintain excellent product protection factors by offering a positive pressure particle-free working area by virtue of the G3 prefilter with a minimum efficiency of 80%-90% ASHRAE and the H 14 HEPA/ULPA filter with an efficiency better than 99,995 % MPPS (H14 - EN:1822).