THE ATOM from Ionbottles Certified: Independently Tested Exceeds IHSA Molecular Hydrogen Standards. ✔ 5000+ PPB H2 ✔ Helps decrease inflammation ✔ Improves gut health ✔ Supports healthy cognitive function ✔ Reduces oxidative stress -740 mV ORP ✔ Built with Tritan® and anodized metal ✔ 10-ounce capacity (295 ml) ✔ Latest SPE/PEM technology ✔ Dual chamber vent