"The 35PRoflexx-IT/12-2 is a specialized Incubator Transporter version of Ferno’s Model 35 Profelxx. The 35 Proflexx-IT/12-2 consists of two separate components: The first component is a model 35 Proflexx undercarriage with a special top surface with locking provisions for a low profile (Model 12-2) incubator transporter. The second component consists of a special version of the Model 12-2 low profile litter which can be equipped with several custom mounting provisions. Please contact our customer service department to discuss your requirements