Primary HEPA filters from Extract-All are designed for multistage filtration to remove odours, solvent fumes and lab fumes; ideal for use in hospitals, manufacturing plants, negative-air machines, biological hoods and food processing plants. These filters feature a maximum efficiency of 99.7% to effectively remove contaminants. Some models come in a heavy-duty frame to handle stress and optimise media productiveness. Choose from a wide range of HEPA filters, with a maximum coverage area of 58.8 sq ft, on Raptor Supplies.