Ambulatory Oxygen Therapy for Individuals With Mild-to-moderate Interstitial Lung Disease

Use of a portable oxygen concentrator for exertional activities lasting \>2 minutes

Participants will receive disease-specific educational material (Living Well with Pulmonary Fibrosis: Oxygen), and will have scheduled phone appointments with a certified respiratory educator after 1, 3, and 5 weeks of oxygen therapy in order to address individual barriers to oxygen use and facilitate the optimal use of portable oxygen.