Portable Air Sampler FM-PAS-A100 Fison Portable Air Sampler ensures precise microbial air sampling with a 397-mesh, 0.77 mm pores and isokinetic sampling to minimize bacterial overlap. It features a removable collection port, 8+ hours of operation, a 2.2" TFT screen for sampling parameters and storage for 1000 data sets. Easy control via a button-screen interface.