Review (4/5): Great, but not worth it for just one bottle of Listerine...
Finally, a pump for Listerine! No more struggling to open the cap, and then pouring the correct amount in a cup. However, if the pump is good for only one bottle of mouthwash, then it’s a waste. I plan on running clean water through it after the current bottle of Listerine is finished, and use it in subsequent bottles.