Dusoft NonSterile Nonwoven Sponge, 4 x 4 Inch, 1 Case of 2000 Speculum Vaginal Without O2 Inlet * Masks Strengthen muscles 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 * Thousands of specimens are transported for testing every day: Elkay's specimen transport bags have a document pouch and zip closure so the specimens your team send out will arrive at the testing laboratory intact minimizing skin maceration so cause less disruption to newly formed granulation tissue