Dusoft NonSterile Nonwoven Sponge, 4 x 4 Inch, 1 Case of 2000 Speculum Vaginal Thousands of specimens are transported Color:Yellow 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 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 * so cause less disruption to newly formed granulation tissue minimizing skin maceration