Home Oxygen without Compromise The stylish Invacare Perfecto2 oxygen concentrator is designed to exceed the requirements of the patient and provider in the ever demanding home oxygen market. The latest innovations in power and sound management result in lower running costs and increased patient comfort. The discreet package blends into the patients environment whilst fulfilling prescriptions up to 5 liters per minute. With no component maintenance required for 5 years the Perfecto2 combined with HomeFill® is the lowest 'Total Life Cost' home oxygen solution.