Laerdal Pocket Mask W One Way Valve & Filter (w o O2 Inlet) Interferential Stimulators Supports patient weights up to HERH6036TW Supports patient weights up to 400 pounds Powder coated silver vein steel frame * Embossed vinyl upholstery is durable lightweight attractive and easy to clean * Urethane tires mounted on composite wheels provide durability and low maintenance * 8 front casters adjustable in three positions * Padded armrests provide additional comfort * Carry pocket on backrest provides additional convenience * Swing away footrests with tool free adjustable length riggings * Plastic foot plates with heel loops on footrests * Push to lock wheel locks * Weight capacity 250 lbs 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 *