Can RO Plants Be Used for Rainwater Purification? Rain water can help meet water needs in many places. Netsol Water stands as a leading manufacturer of water treatment plants. The company manufactures filters and RO plants for many clients. Each system works to remove harmful elements from water. Rain water may seem pure at first glance. Visit the link for more information: https://www.netsolwater.com/can-ro-plants-be-used-for-rainwater-purification.php?blog=6945