- Telescoping 'Goose Neck' for Breathing-Zone Air Sampling
- Automatic Flow Control Valve
- Electronic, Resettable, Elapsed Timer
- Continuous Duty, Rotary Vane Vacuum Pump
- Dual Vacuum Gauges for measuring DP across filter media
- Sturdy Cast Aluminum Base Plate
- Flow Ranges of 0 - 7.0 CFM
Models: MRV-0523CV, MRV-0523CV-HMF, MRV-1023CV, MRV-1023CV-HMF