General Anesthetic Services is an ISO 13485:2003 registered company. G.A.S. is the provider of service and calibration for anesthetic vaporizers used in general anesthesia. Our quality and customer service is unsurpassed in the industry. Our linege goes back to the original anesthetic vaporizer company, Cyprane Ltd. out of W. Yorkshire, UK. Our motto has always been "Confidence through Quality". These life critical devices need to have preventative maintenance for Patient Safety.