Oxygen Concentrator USA DeVilbiss Healthcare MODEL TMS 0092 DeVilbiss 5 Liter Home Oxygen Concentrator Designed to be 15% less noisy than other home units, the new and improved DeVilbiss 5 Liter Home Oxygen Concentrator is a durable and efficient choice for oxygen patients! This unit weighs 36 pounds and was recently updated in order to elevate its performance and durability above other big-name options on the market. Each unit comes standard with exclusive DeVilbiss OSD® (Oxygen Sensing Device), which is included specifically for dependability and patient safety. This machine has also been tested in high temperature and high humidity for extended periods of time, meaning you can count on your device to work properly no matter what climate you’re in! As mentioned above, the DeVilbiss has a 15% average sound quality improvement over other brands that are currently available. The two-piece cabinet design allows for the improved quality and an enhanced cooling process; it offers the perfect balance of cool and quiet. The average life for the DeVilbiss 5 Liter compressor is between 20,000 and 30,000 hours, so when you purchase this concentrator, you can rest easy knowing you’ve chosen a machine that has been proven to last. Patented DeVilbiss Turn-Down Technology This incredible feature allows the machine to automatically turn down its flow cycle when below 2-1/2 LMP, which results in a 35% system pressure reduction. This minimizes stress on the compressor bearings and internal fittings to increase the longevity of your machine. Additionally, this unit’s energy-efficient design allows you to save an average of $100 per year on your electric bill! The Turn-Down technology reduces power consumption by 15% or more compared with other competing concentrators, therefore decreasing wear and tear on the machine to extend its life.