You can obtain tanks or concentrators from licensed durable medical equipment (DME) providers. Local Options (Chicago Area):
Finding "pure oxygen" depends entirely on your intended use—whether for medical therapy, athletic recovery, or industrial work. 🏥 Medical-Grade Oxygen (Prescription Required) where to buy pure oxygen
Mark Drug Medical Supply (Wheeling, IL) – Authorized dealer for insurance-covered medical equipment. You can obtain tanks or concentrators from licensed
"Consumer-grade" oxygen is sold in lightweight canisters for sports, altitude adjustment, or general wellness. It is generally 90% to 95% pure and does require a prescription. Reliable Medical-Orbit Medical of Chicago where to buy pure oxygen