Oxygen Regulator 2 15 LPM CGA 540 Hex Nut Toe Immobilizer 5 casters are ideal for Undercast Padding 5 casters are ideal for indoor and outdoor use * Removable hinged padded backrest can be folded up or down as necessary * Handles are adjustable in height * Easy to use loop locks * Comes with padded seat with zippered pouch under seat * Comes standard with pouch * Limited Lifetime Warranty * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm * Seat Dimensions 25 * Threaded stem casters: rustproof 4 inch twin * Depth of seat: 20 inches * Total depth with footrest: 54 Guage style oxygen regulator *