1. Sampling volume: 100L/min 2. Portable 3. Operating time on battery: 4h 4. ... international standard of similar product. It is an ideal air biological sampler for medicine plant, hospital, biological products, ... of sampling time, sampling volume and other parameters;5. Portable, lightweight, convenient to use;6. Easy to exchange ... 6. Dimension: 120 x 300 ;7. Weight: 2kg. Portable Biological Air Sampler