Balloon Helium Dual Foil/latex Inflator (Automatic Shut-off for Foil Balloons- 60/40 Air Mix Gas Saver for Latex Balloons) Pkg/1 Helium Dual Foil/latex Inflator Automatic Shut-off for Mylar/Foil Balloons 60/40 Air - Helium Mix Gas Saver for Latex Balloons Heavy duty brass piston construction with Push Down Latex Inflation Valve Large handtight connection for easy, leak-free cylinder attachment. Tapered foil tip for easy inflation - easy to read contents gauge.