The convenient 2-pack is the perfect complement to your Carbonator 3and your everyday life. Made of high-quality PET, their Water Bottle is specifically engineered for safe use with their Carbonator I, II and 3 sparkling water makers. They only use food-grade, virgin PET. This means that their bottles are non-toxic, BPA-free and do not contain any harmful chemicals. Their bottles have also been tested and approved according to the German LFGB standard, California Prop 65 and FDA CFR 21. * Item excluded from all promotions.