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Slide the cover off the top of the concentrator to access the filter
The zippered bottom allows you to exchange your battery easily without removing the whole unit from the carry bag
This can happen at high altitudes
Perfect Fit: Direct replacement for the Drive DeVilbiss SIMO2 model
Designed specifically for the GCE Zen-O Portable Concentrator
Drive DeVilbiss 555 Compact 5L Oxygen Concentrator BEST Slide the cover off theMade in the USA. The Drive DeVilbiss 555 Compact 5L Oxygen Concentrator delivers reliable, continuous oxygen therapy in a space saving, user friendly design. Engineered for durability and quiet operation ideal for home use where consistent performance and low maintenance are essential. Fast Facts: Drive DeVilbiss 555 Compact Flow: Adjustable 0. 5 to 5 LPM continuous flow. Purity: 93% 3% oxygen concentration. Quiet: ~48 dBA sound level for minimal home
