Medium * The NasalFit Deluxe EZ CPAP Mask has a soft silicon cushion comfortable forehead plate with silicon pad and a 360¯ rotational elbow which are designed to increase comfort compliance and mask stability * Adjustable headgear easy to assemble cushions and a lightweight streamlined design help to ensure proper fit and minimal leak during sleep * By providing a mask option without headgear a more cost effective option is available based upon the reimbursement schedule * Latex Free