Your wheels to the world. Many oxygen users are focused on getting the lightest concentrator possible and are disappointed to learn that higher dosage requirements can mean double or triple the weight of a smaller unit. However, rolling a 17 pound unit requires much less effort than carrying an 8 pound unit. The travel cart for the Invacare SOLO2 is the perfect accessory to maneuver through crowded airports, enjoy a leisurely stroll in the park, or do some shopping with. This agile cart rolls on sturdy rubber wheels for good traction and shock absorption. The telescoping handles have interlocking metal rods for durability and adjust to a comfortable height for any oxygen user with the touch of a button. The reinforced base sits a few inches off the ground to keep the bottom of the concentrator dry in the event of inclement weather. The cart comes assembled with sturdy rubber wheels that can easily navigate rough terrain and maintain traction in damp conditions. The screws that attach the unit to the cart are metal for resilience and have traction ridges on the edges so they can easily be tightened by hand or with a tool. This travel cart weighs 5 pounds.