A,Simply twist dispenser onto the top of a plastic
B,Fizz will last until the bottle is empty
C,Cooking Tocols-Fizz saver

Fizz saver dispenser keeps drinks carbonated and dispenses right from your fridge. Simply twist dispenser onto the top of a plastic 2-liter bottle, then invert the bottle to dispense drinks into your glass. Fizz will last until the bottle is empty. Great for use at home, office, camping, entertaining and more.