Oxygen Regulator for D/E Tanks 0-15 LPM (CGA870) High strength lightweight aluminum alloy body * Click Style * Flows 0-15 LPM * CGA-870 & CGA-540 Nut and nipple * Yoke Pin Indexed * For D & E Oxygen Tanks * 11 Flow positions * Barb outlet * 6 Year Warranty Shipping Carton Size: 9 L x 6 W x 4 H