Deep Blue™ is a rapid deployment, emergency backup hand well pump system. It's innovative, affordable and rugged...and comes to you fully assembled right out of the box. Measuring only 5/8" in diameter, the flexible coil design allows it to snake into almost any well, with or without an existing submersible, providing a forever supply of free, naturally filtered water for you and you family. They are lightweight and portable, for quick "in-and-out" use as needed. Deep Blue™ is designed and manufactured in the USA, and is available in 50, 100, 150, 200 and 250 foot kits. There are 15 million water wells in the US. If you have Deep Blue...you WILL have fresh water!