INFUSION H2 oh! Making water better Envision a water bottle cap that fits on any water bottle sold in the Americas. Simple, secure and healthy.The H2 oh! cap fits on any water bottle manufactured in the Americas with the simplicity and security of a push pull cap.Push down to release liquid contents into the bottle and pull up to drink, push down to close. The H2 oh! liquid contents are calorie, carb, caffeine, fat and sugar free. It is BPA free