Alicat Scientific MWB-5SLPM-D/5M – Air

Alicat Scientific MWB-5SLPM-D/5M – Air. Good condition, factory seal present and intact. Unit powers on with USB power and appears to function O.K. Built-in rechargeable battery pack doesn’t charge. No manual or other accessories. Purchaser responsible for maintenance (battery replacement), and calibration/certification if required.