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This is the replacement filter pad for the Serene 3 stationary oxygen concentrator
and sleep mode
allowing you to focus on your breathing exercises without distractions
Multiple Thoughtful Functions: Built-in SOS emergency call
ensuring uninterrupted oxygen therapy when you are out
VARON 1-7L/min Home Oxygen Concentrator VH-3 breath This is the replacement filterVH 3 is the latest home continuous flow oxygen concentrator, boasting exceptional performance in a compact design. Developed by our German R&D team, it delivers stable, high concentration oxygen, suitable for both home and in vehicle use. Core Performance: High Concentration, Stability, Long Durability & Low Consumption Continuous High Concentration Oxygen Supply: Equipped with a high efficiency lithium molecular sieve, it features strong adsorption