The Monster Cleaner, for sanitation of all types of bottles. From PET, beer, wine, and champagne bottles to test jars, easy siphons, samplers, carboys, growlers, gallon jugs and more! Easy to assemble, it is a breeze to use and clean. It also acts as a versatile addition to the top of the Bottle Tower with no adapter required. May also be used independently on any flat surface.