Description Reviews Additional info Drive 540 Regulators 540 Regulators N Nut Connector w/Screw Outlet Liter Flow Increments: 0, .12, .5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8 Green New click style flow control. Lightweight uni-body design. Meets or exceeds accuracy standards for ASTM, American National and CGA. UL Approved. 0 Reviews SKU: DRV18303G UPC: 822383141206 Width: 1.00 (in) Height: 0.50 (in) Depth: 4.00 (in) Shipping: Calculated at Checkout