Pure Rain Handheld Essentials Plus Oxygen Infusing Spray/Jet Nozzle Pure rain uses nano-bubble technology to increase dissolved oxygen content in ordinary tap water rain collects dissolved oxygen as it falls from the sky, delivering maximum oxygen to plant roots naturally Similarly, the pure rain nozzles patented oxygen chamber infuses tap water with micro nano-bubbles Independent scientific studies have shown that within weeks, plants watered with the pure rain oxygen-infused water grow up to 30-percent larger without the use of any additional fertilizers or soil amendments Already in use for industrial, commercial, and institutional projects, this advanced technology is now available for everyday use in an easy-to-use handheld spray nozzle If youre committed to responsible gardening and landscaping, but want healthy, beautiful plants, pure rain is the forward-thinking and scientifically proven way to do it