REFRIGERATOR FIZZ SAVER DISPENSER
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.
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This would be good for people who don’t finish bottles rapidly. At parties, you can go through enough to not need this (nor need your gusts spilling soda in the fridge).