In 1955, the Pizza Hut restaurant was first commenced. Its first logo featured its only mascot Pete holding the words Pizza and Hut. 1967â1999. In 1967, the chain began using a new and simplified logo featuring the now-famous red roof design (which is still used albeit in a modified form today).
Oxygen therapy can be delivered using a low flow or high flow system. All high flow systems require humidification. The type of humidification device selected will depend on the oxygen delivery system in use, and the patient's requirements. The humidifier should always be placed at a level below the patient's head.
INOGEN ONE G4 Portable Concentrator. More Views. Description. Introducing the next innovation to portable oxygen delivery: the Inogen One G4, capable of full 24/7 oxygen delivery in an unbelievably small package! Offering 1-3 flow settings, the Inogen One G4 is one of the smallest, lightest and quietest units available to the oxygen user today.