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High capacity filters for use in negative pressure units.
NPU (Negative Pressure air filtration Unit) HEPA filters are designed to help protect the primary and HEPA filters when used in the removal of Asbestos from the air.
Classified as EN1822:H13 / ISO 35H
Please note we manufacture a large variety of sizes and depths so please ask for your required dimensions. May take 3-4 weeks before dispatch.