Invacare Homefill Oxygen Cylinder without Regulator

Replacement Oxygen Cylinders for Invacare Homefill These preowned and tested oxygen cylinders are used exclusively for the Invacare Homefill tank filling system. We have many sizes available. These cylinders will require that you use your own regulator/conserver, or purchase one from us.   Dimensions M2: 3"W x 8.25"H ML4: 4.38"W x 9"H ML6: 4.38"W x 11"H M9: 4.38"W x 14"H How does an oxygen concentrator work? An Oxygen Concentrator is an electrical piece of equipment. You plug it in to the wall outlet of your home. Make sure it has at least 6 inches of room all around it to allow ample air flow. When you turn the machine on, it will bring in air from the room around it. First, the air passes through a couple of filters to clean the air before it enters the compressor. Once inside, the compressor will pump the air into a pair of Sieve Beds. Once the Sieve Beds are pressurized, the material inside called Zeolite will cling on to the Nitrogen, and pass on the Oxygen and oth