This oxygen concentrator is designed for home health use. It provides a fixed output of 1 L per minute and the flow cannot be adjusted. Key performance Oxygen concentration: Greater than 40% at 1 L/min under standard conditions (20 C, 60% relative humidity). Standards: Meets European and American health standards for medical oxygen. Design and usability Onebutton start for easy operation. Flexible placement: can be positioned horizontally or vertically. Visual indicator: Features a bright LED indicator for status at a glance. Filtration and purity Filtration system: Dual cleaning filter system using a Biochemical Cotton Filter and an Oxygen Permeate Membrane Filter. Protection: Kills bacteria, viruses and contaminants to help deliver a concentration of oxygen. Use scenarios Home oxygen therapy: Suitable for daily supplemental oxygen in a residential setting for patients with respiratory conditions. Elderly or disabled care: Supports stable oxygen supply for athome care by caregivers or family members. Small care facilities: A compact, fixedoutput oxygen source appropriate for small clinics or home care services needing reliable continuous oxygen. Notes Intended for home health use. Output is fixed and cannot be adjusted. Designed to provide consistent oxygen concentration and reliable filtration to support athome respiratory needs.