This 3D model was originally created with Sketchup 7 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 two airline seats with my Emergency Mask model incorporated. Credit goes to JonJon for the airline seats and to TarikS for the window panelling. I thank them for two outstanding models. To download just the masks type in Emergency Oxygen Mask.