Heat moisture exchanger without sampling port, Adult 15Fr connection - Box of 20Portex Heat and Moisture exchangers provide efficient heat and moisture recovery and exhibit low resistance to flow and high moisture output which helps to minimize the loss of heat and moisture in ventilated or spontaneously breathing patients. Portex offers a wide variety of products to include filters, breathing filters, filtered and non filtered HME with or without a flex tube. All HMEs and filters have ISO standard tapered ends to assure a