Uniformity Air Velocity

GOOD VALIDATION PRACTICE (cGVP) HVAC VALIDATION
1

Hi

Anyone could give me an advice?

Where shoud I meet the 0,36 - 0,54 m/sec air velocity, at work height as GMP or at 10-30 cm below the filter face as ISPE-HVAC?

Thanks.

2

hi i guess its at the work level