The Hydrogen Water Bottle Generator SPE PEM Technology is a portable and rechargeable water filtration system that utilizes solid polymer water electrolysis to purify water. This countertop unit has a capacity of 430.0 ml and comes in a sleek gray color. The Ez-Unique Hydrogen Water Bottle, powered by a lithium ion battery, is made of durable borosilicate glass and includes a battery for convenience. With a weight of 1.59 pounds, this compact and lightweight water bottle generator is perfect for on-the-go use in homes, kitchens, or dining areas for clean and refreshing hydrogen water.