The Coleman interface is a connecting device used in medical equipment, and the size of its inner diameter has a significant impact on the effectiveness and safety of the equipment. According to relevant standards and specifications, the inner diameter of the Coleman interface size is usually 4.5mm, which is one of the common Coleman interface sizes on the market.
In addition to the inner diameter size, other parameters and characteristics of the Coleman interface also need to be selected and configured according to the specific needs of the use.