2" FLOWMETER W/ DIG LED DISPLAY4 - 160GPM 4-20MA 24VDC This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. 2" FLOWMETER W/ DIG LED DISPLAY4 - 160GPM 4-20MA 24VDC Specifications 2" FLOWMETER W/ DIG LED DISPLAY4 - 160GPM 4-20MA 24VDC How To Use Contact your Norchem rep for step-by-step instructions. Tweet