SurgiVet Silicone Non-Cuffed Endotracheal Tubes. Typically used for birds, reptiles, amphibians, marsupials, neonates and very small animals. Features: Non-sterile, radiopaque, reusable and autoclavable. Lower profile distal portion of the tube assists placement. Larger proximal tube portion forms a seal against the vocal cords to reduce anaesthesia gas loss. Stepped wall design (Cole-Style Tube). Available in 2.0mm (AT20), 2.5mm (AT25), 3.0mm (AT30), 3.5mm (AT35), 4.0mm (AT40) or 5.0mm (AT50).