The Conwin Universal Balloon Filling Kit is a convenient and reliable solution for inflating balloons with helium. The BOC cylinder in the kit features a gas valve designed by Conwin, ensuring compatibility with helium gas. Perfect for parties, events, or everyday fun, this kit provides everything you need to fill balloons quickly and easily. Whether you're looking to add a touch of excitement to a special occasion or simply want to entertain the kids, this kit is a must-have for any balloon enthusiast. This inflator has only been used a few times and is in excellent condition.