Laerdal Pocket Mask W One Way Valve & Filter (w o O2 Inlet) 3M Medical Dressing SureColor LED Lamp for use Nerve Sensory Evaluator Access SureColor LED Lamp for use in Welch Allyn MacroView Otoscopes and MacroView Veterinary Otoscopes * 25 * Threaded stem casters: rustproof 4 inch twin * Depth of seat: 20 inches * Total depth with footrest: 54 Without O2 Inlet * Masks include a one way valve * Prevents mouth to mouth contact with victim's face * Facilitates a patient airway * Combines moderate head tilt jaw lift and opening of the mouth * More effective ventilation through mouth and nose simultaneously leakproof seal * * (Model 8040A): includes an oxygen inlet valve *