The ECONOAIR Premium L-15PTR is a low-cost high-performance personal air sampling pump. It is a simple model designed for sampling of asbestos, lead and other airborne contaminates. The rugged compact design features a rechargeable NiMH battery with available one-hour recharger. The L-15PTR can be programmed for timing routine activated sampling and allows the operator to select a reference T and P flow rate or flow rate at ambient conditions of T and P.