Harris 355-2, Compact Pressure Compensated Flowmeter RegulatorCondition:* New Surplus Stock, No OEM Packaging. As Pictured.Additional Notes:* Brass Body And Bonnet* 1.5″ Steel Dual Scale Gauge* One-Piece Encapsulated Seat Design With An Internal Filter And PTFE Teflon Seat* Sensitive Needle Valve Adjustment For Precise Flow Control* Neoprene DiaphragmHarris 355-2