Laerdal Pocket Mask W One Way Valve & Filter (w o O2 Inlet) Crutches Aluminum WALKER PLATFORM ATTACHMENT * Platform 07090727312 WALKER PLATFORM ATTACHMENT * Platform (1 dia 10 5 8 Diameter chrome * Height adjustment 34 to 72 * 12 flexible arm permits positioning in any direction * Uses 60 Watt bulb (not included) * UL and CUL listed * Shipping Carton Size: 30 L x 13 W x 5 H 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 *