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.
These filters have been specially adapted for use in Negative Pressure Units.
These filters are made and specified in accordance with BS8520-2:2009 section 4.6
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.
