Greyline DFM-IV Doppler Flow Meter

Greyline DFM-IV Doppler Flow Meter. Model DFM-IV-A-1-A-1-A-1-B-1-A ***MPN DFM-IV-A-1-A-1-A-1-B-1-A ***OEM Greyline Instruments Inc ***SKU*** 56385