Responsive Respiratory 150-0106 Secure your oxygen cylinder with this Dual Cylinder Cart. This cart is designed to store oxygen tanks in one place. It is made of a 100% welded steel with durable powder coat paint finish to securely hold your oxygen tanks. It also comes with an Adjustable rigid handle and Large 6 wheels which provides mobility and ease of use. This cylinder cart can hold two D or E cylinders Due to health, hygienic and safety regulations this item cannot be returned or exchanged. Items damaged during shipment and delivery or sent incorrectly will be repaired or replaced at Medical Supply Depot.com's expense.