Soft Touch® II Surgical Mask, 1 Box of 50 Rolls and Wedges Comfortable sturdy foam mesh construction with Otoscope Accessory Comfortable sturdy foam mesh construction with alternating web straps and loop lock contact closure * Medial lateral I beam stays and three double bend posterior stays for proper immobilization * Adjustable foam pop pad included * Ideal for immobilization of the knee joint * Circumference is measured on the thigh 4 above the patella * Can also be used for the discontinued 3650 D * Devilbiss Nebulizer Filters 5650D 601 5650D 602 fits 5650 4650 series nebulizer * 5 pack filters 5650 602 * 5650 D (2 prong power plug) Appropriate for situations where exposure to blood and or bodily fluids is not a risk Protective three layer construction