800) 482-6537 (828) 250-0173 fax sales@metromedicalsvcs.com There are field service options other than using the manufacturer! We have oxygen sensor replacements for your anesthesia equipment. Just click either sensor and review our page for your requirements! Replacements for Datex-Ohmeda and North American Drager. Check out our services! Sell us your old anesthesia equipment before you trade ...