Oxygen Cylinders for Rent or Sale. Oxygen Cylinder is a container that stores oxygen under pressure. It is made of steel or aluminum. Oxygen is stored in the cylinder as a compressed gas and is released by opening a valve on the cylinder and regulating the flow through a flow meter. Oxygen cylinders widely used in a variety of settings, including hospitals, ambulances, and personal use. Types of Oxygen Cylinders B-Type cylinder – B-Type cylinders are usually smaller in size with a capacity of about 10 litres. They are usually made of aluminium and are lightweight and easy to transport. D-Type cylinder – D-type cylinders are usually larger in size cylinder with a capacity of about 46 litres. They are larger and heavier than B-type cylinders. -We also offer a wide range of regulators and other accessories to fit our oxygen cylinder. Why Choose Us Choose F7 Healthcare as your go-to source for all of your medical equipment needs and experience the difference in quality and service. We offer a wide range of top-of-the-line medical products at competitive prices. We deliver equipment within 2 hours at your doorstep. Our service is available 24 hours. We sell equipment for rent or sale. We sell high-quality, healthcare-grade products. We ensure our equipment is well maintained. We prioritize customer satisfaction.