The Gilian BDX II Abatement Air Sampler from Sensidyne is a dependable, low cost personal sampling pump. It is a "no-frills" model designed for use with asbestos and lead sampling. Meets NIOSH 7400, 7082, 7105 and 7300 specifications. Flow rates 500-3000 cc/min (0.5-3 LPM). Comes with rechargeable battery pack system and built-in rotameter and flow adjust. It is compact, lightweight, and quiet. Full one year warranty.