Established in 1976, Bedfont Scientific Ltd has become a market leader in breath monitoring for medical applications. Its Smokerlyzer range of carbon monoxide monitors is used by health professionals throughout the world and is recognised as the benchmark in smoking cessation and research. The Gastrolyzer breath hydrogen monitor is used by health professionals in the diagnosis of gastrointestinal disorders such as lactose intolerance, and the toxCO+ breath carbon monoxide monitor is used by emergency units in the diagnosis of smoke inhalation and carbon monoxide poisoning. Bedfont also manufacture the EC80 and TM3 - phosphine, methyl bromide and sulphuryl fluoride (Vikane) monitors for use in fumigation procedures. The NOxBOX+ is a medical gas delivery system used in inhaled nitric oxide therapy. The transport ventilation unit assists in the treatment of pulmonary hypertension found in hypoxic neonates and in post-operative transplant patients.