Application segmentation of the Disposables Oxygen Mask market distinguishes four primary end‑use categories. Hospital settings, encompassing operating rooms, intensive care units, and general wards, dominate the landscape, accounting for roughly 55 % of total demand due to high patient turnover and strict infection‑control protocols. Home‑care environments represent the second largest share (≈25 %), driven by the growing prevalence of chronic respiratory diseases and the shift toward outpatient oxygen therapy. Emergency services, including ambulance and trauma response units, contribute about 12 % as rapid‑deployment masks are essential for pre‑hospital stabilization. Finally, Transport applications—airline and rail medical kits—hold the remaining 8 %, reflecting niche but regulated requirements for portable oxygen delivery. This Disposables Oxygen Mask segmentation framework clarifies how each application directly influences market size, pricing dynamics, and supply‑chain priorities.