The AMS 500 NPU provides a nominal airflow of
500m3 / hour (refer to test report section 9) with a
filtration of 99.995% conforming to BS 8520
regulations. The NPU is compact and lightweight
enough to be easily handled by one person and will
pass through standard doorways. The design and
manufacture of this unit considered and addressed
regulation issues as stipulated by BS 8520-2:2009.