This economy regulator has a flexible rubber tip and is suitable when inflating 28cm latex balloons or similar, you simply turn on the cylinder, Slide the balloon over the flexible tip and then flex the tip for the helium.
To fill the balloon. - not suitable for foil balloons or confetti balloons
This Deluxe regulator has a foil tip and a latex tip. The foil tip correctly inflates foil balloons, foil numbers and letters. The latex tip is to inflate latex balloons and confetti balloons and bigger balloons with bigger necks.
This is a professional regulator to correctly inflate the above balloons.