Matheson 8100 Mass Flow Meter 0-12 LPH

Hastings Instruments Mass Flowmeter Model HFM-201 0-100 SLMP AIR

Vintage Matheson Co Acrylic Air Flow Meter Gauge Rotameter Lot of 2 Lab

Matheson Gas Flow Meter FM-1050 HOUSING ONLY - USED mounting bracket as-seen

Matheson Tri-Gas mj14a101j705 Compact Flowmeter

Matheson Tri-Gas mj14a101j803 Compact Flowmeter

Matheson Flow Meter FM-1050 B-HA, P/N E1-3D101 HE703, Preowned, Appears Unused

0-1.5 LPM Air Gas Flowmeter with Control for Valve for Measuring Controlling Air