Life Corporation Replacement M20 Cylinder for LIFE OxygenPac Invacare ML4 Cylinder Bag The headgear size is labeled

The headgear size is labeled as "Standard"

and Large Nasal Pillows

1" diameter anodized aluminum tubing

if you have an apnea that lasts for more than ten seconds

Life Corporation Replacement M20 Cylinder for LIFE OxygenPac Invacare ML4 Cylinder Bag The headgear size is labeledLife Corporation Replacement M20 Cylinder for LIFE OxygenPac All LIFE OxygenPac Replacement Cylinders are refillable (renewable) or disposable (recyclable) for lowest cost, greater efficiency, and customer ease. Refilling a cylinder at a local gas distributor is low in cost, but purchasing a replacement cylinder may be more efficient with less time and labor and may actually be cheaper. Both methods are green and earth friendly, being renewable or