Three stage purification system including carbon, reverse osmosis, and deionization Durable and lightweight, making it easy to move around the job site Easy to change out the filters No assembly required Includes a TDS meter, filter wrenches, RO guardian, Aladdin Magic Lube, and an owner's manual Built-in house, they are durable but lightweight, making it easy to move around the job site. At only 51 or 57 lbs, it's easy to lift in and out of your vehicle. The durable steel frames allow you to use it standing up or lying down. These systems are super convenient, enabling you to power one pole with no pump needed when you don't have full access to a site.