Versatile size options: Available in diameters from 12.5cm to 23.5cm, this trolley securely holds cylinders ranging from 2L to 20L, accommodating various capacities for home, medical, or industrial use. Durable and stable construction: Made with stainless steel and aluminum, the cart supports up to 100kg, providing strength and stability to prevent tipping from accidental impacts. Secure cylinder fit: Features a 19cm high base and a round strap to snugly hold cylinders in place, minimizing shaking and enhancing safety in any environment. Easy mobility: Equipped with anti-friction, shock-absorbing casters that roll smoothly on narrow, uneven floors or busy corridors, reducing bumps and saving effort during transport. Adjustable and versatile design: Includes four height-adjustable trolleys, ideal for applications such as home oxygen therapy, hospital transfers, laboratory work, and construction zone gas supply, reducing user burden.