This Allegro Industries, model 9801-88, is a T‐100 Jarless Sampling Pump without Stand Rotary Vane. This low-maintenance pump meets all OSHA and AHERA standards for air sampling. It's lightweight and easy to use. The rotary, oil-less, vane pump has one moving part for pulse- free, continuous draw and low maintenance. It has an adjustable regulator with a lock ring. CONSTRUCTION: Rigid metal base & housing, powder coated gray, Adjustable locking pressure regulator, Rubber feet, Steel handle, Built-in on/off switch. PUMP: Type: Oil-less, rotary vane, Vanes: Carbon construction (4ea/ replaceable), Filter, Inlet: Foam (internal), Exhaust Filter: Foam (internal), Performance: 0-30 LPM (adjusted via pressure regulator).