The new EASE II demand valve provides a compact low resistance method of self-administering O2/N2O or O2. On demand Oxygen or Nitrous Oxide/Oxygen system for delivering up to 300 l/min Portable first stage regulator and cylinder version for immediate care and pre-hospital applications Low pressure pipeline version for obstetrics and general nursing applications Designed in a way that creates minimal breathing resistance to the patient and can deliver high flows when required Low inspiratory effort demand valve Test/Purge facility on the demand valve, easy to clean and reassemble for cross infection protocol Hose fitted with probes by the national standards for connection into cylinder system or wall outlet Autoclavable, removable handle