Helium Tank Combo Mylar and Latex Balloon Filler Valve (With Foil Balloon Auto Shut Off Valve, String Cutter) Fill both Mylar and Latex Balloons (with auto shut off for foil balloons) Regulator with Full Size Hand-Tightening feature and Easy to Read Pressure Gauge Includes Cutter Durable Brass Fittings Fits all CGA-580 Tank Valves (the typical Helium and Nitrogen valve on most tanks)