You really should get permission from administration before posting something for sale... there are plenty of places in your area to sell used medical equipment.
The
information provided on the PHA website is provided for general information
only. It is not intended as legal, medical or other professional
advice, and should not be relied upon as a substitute for consultations
with qualified professionals who are familiar with your individual
needs.
Pulmonary
Hypertension Association
801 Roeder Rd., Suite 400
Silver Spring, MD 20910