King F's Single Limb Anesthesia Breathing Circuits is desiring to boost patient care, increase efficiency and reduce the overall cost of anesthesia delivery. King Systems leading the first co axial rebreathing and heat and moisture conservation system in the world. King Systems earned its reputation as an industry innovator when it introduced the King F single limb anesthesia breathing circuit in 19. It helps to keep patients warm and comfortable. Converts effortlessly to a transport unit, and if necessary, to a resuscitation circuit. It will decrease the cost of delivered inhaled anesthetics. It translate into a high flow (Bain or Mapleson) circuit with connector and fresh gas extension. It is compact, flexible and easy to handle and decreases the risk of disconnection. It also reduces issues associated with increased flow resistance. Co axial filter helps increases patient safety, streamlines set up and eliminates the need for two filters. It will lessen problems associated with dead space and weight.