Wine Purifier - Ullo purifies any white, rose, or red wine by removing only the artificial sulfite preservatives and none of the natural compounds that make every wine unique. This patented Selective Sulfite filter technology is the magic behind Ullo purification and the only sulfite filter that will not alter your wine’s natural chemistry. Sulfite Free - Enjoy any wine without the stuffy nose, headaches, or other common side effects of sulfites. Ullo’s sulfite removal for wine also reveals new flavors and aromas that come alive in your glass without the lingering bitterness from sulfites. Wine Aerator - Ullo Wine Purifier is also a wine aerator. Unlike typical wine aerators and wine accessories, Ullo offers you the option to aerate selectively with an 'on/off' aerator switch to infuse oxygen into bold red wines or to protect the balance of delicate white wines. Simple and Convenient – The Ullo Wine Purifier works with all Ullo filter replacements. Ullo rests on any wine glass and fits perfectly with Ullo’s decanters and carafe. Ullo easily disassembles, is dishwasher safe, and makes enjoying pure wine a delightful experience Quality and Safety – Ullo’s patented filters and made from Food Grade BPA-free materials and does not add any chemicals or additives to the wine.