NPU14
Grade H14 HEPA Filters for Negative Pressure Units.
BS8520-2:2009 Compliant
NPU HEPA filters are over-rated high capacity HEPA filters for use in Negative Pressure Units (NPU). Typically these filters are used in the asbestos removal industry, These filters are made and specified in accordance with BS8520-2:2009 section 4.6
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The following items are exact match of the dimensions you specified.
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These custom sized filters are match of the dimensions you specified and will be made to order.
