Product Details： Details introduction Material: silicone Specifications: Avariety of specifcations are available, meet clinical demands. Size: 1L 2L 3L Interface: 22 mm Standard connector(suitable for most anesthesia machines). package: Paper plastic packaging Feature: This product could be used with breathing circuits, ventilator machines and anesthesia machines. This product is free of latex. Standard connector could be connected with the breathing circuits, ventilator machines,anesthesia machines. Avariety of specifcations are available, meet clinical demands. Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-2mm error, due to manual measurement.please refer to the actual product.